987211120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:184

約数の個数: 320

約数和(自身を含む): 2959810560

約数和(自身を除く): 1972599440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 31, 35, 38, 40, 41, 56, 62, 70, 73, 76, 80, 82, 95, 112, 124, 133, 140, 146, 152, 155, 164, 190, 205, 217, 248, 266, 280, 287, 292, 304, 310, 328, 365, 380, 410, 434, 496, 511, 532, 560, 574, 584, 589, 620, 656, 665, 730, 760, 779, 820, 868, 1022, 1064, 1085, 1148, 1168, 1178, 1240, 1271, 1330, 1387, 1435, 1460, 1520, 1558, 1640, 1736, 2044, 2128, 2170, 2263, 2296, 2356, 2480, 2542, 2555, 2660, 2774, 2870, 2920, 2945, 2993, 3116, 3280, 3472, 3895, 4088, 4123, 4340, 4526, 4592, 4712, 5084, 5110, 5320, 5453, 5548, 5740, 5840, 5890, 5986, 6232, 6355, 6935, 7790, 8176, 8246, 8680, 8897, 9052, 9424, 9709, 10168, 10220, 10640, 10906, 11096, 11315, 11480, 11780, 11972, 12464, 12710, 13870, 14965, 15580, 15841, 16492, 17360, 17794, 18104, 19418, 20336, 20440, 20615, 20951, 21812, 22192, 22630, 22960, 23560, 23944, 24149, 25420, 27265, 27740, 29930, 31160, 31682, 32984, 35588, 36208, 38836, 40880, 41230, 41902, 42997, 43624, 44485, 45260, 47120, 47888, 48298, 48545, 50840, 54530, 55480, 56867, 59860, 62320, 63364, 65968, 71176, 77672, 79205, 82460, 83804, 85994, 87248, 88970, 90520, 92783, 96596, 97090, 101680, 104755, 109060, 110960, 113734, 119720, 120745, 126728, 142352, 155344, 158410, 164920, 167608, 169043, 171988, 177940, 181040, 185566, 193192, 194180, 209510, 214985, 218120, 227468, 239440, 241490, 253456, 284335, 300979, 316820, 329840, 335216, 338086, 343976, 355880, 371132, 386384, 388360, 398069, 419020, 429970, 436240, 454936, 463915, 482980, 568670, 601958, 633640, 649481, 676172, 687952, 711760, 742264, 776720, 796138, 838040, 845215, 859940, 909872, 927830, 965960, 1137340, 1203916, 1267280, 1298962, 1352344, 1484528, 1504895, 1592276, 1676080, 1690430, 1719880, 1762877, 1855660, 1931920, 1990345, 2274680, 2407832, 2597924, 2704688, 3009790, 3184552, 3247405, 3380860, 3439760, 3525754, 3711320, 3980690, 4549360, 4815664, 5195848, 6019580, 6369104, 6494810, 6761720, 7051508, 7422640, 7961380, 8814385, 10391696, 12039160, 12340139, 12989620, 13523440, 14103016, 15922760, 17628770, 24078320, 24680278, 25979240, 28206032, 31845520, 35257540, 49360556, 51958480, 61700695, 70515080, 98721112, 123401390, 141030160, 197442224, 246802780, 493605560, 987211120]

約数ペア:

[(1, 987211120), (2, 493605560), (4, 246802780), (5, 197442224), (7, 141030160), (8, 123401390), (10, 98721112), (14, 70515080), (16, 61700695), (19, 51958480), (20, 49360556), (28, 35257540), (31, 31845520), (35, 28206032), (38, 25979240), (40, 24680278), (41, 24078320), (56, 17628770), (62, 15922760), (70, 14103016), (73, 13523440), (76, 12989620), (80, 12340139), (82, 12039160), (95, 10391696), (112, 8814385), (124, 7961380), (133, 7422640), (140, 7051508), (146, 6761720), (152, 6494810), (155, 6369104), (164, 6019580), (190, 5195848), (205, 4815664), (217, 4549360), (248, 3980690), (266, 3711320), (280, 3525754), (287, 3439760), (292, 3380860), (304, 3247405), (310, 3184552), (328, 3009790), (365, 2704688), (380, 2597924), (410, 2407832), (434, 2274680), (496, 1990345), (511, 1931920), (532, 1855660), (560, 1762877), (574, 1719880), (584, 1690430), (589, 1676080), (620, 1592276), (656, 1504895), (665, 1484528), (730, 1352344), (760, 1298962), (779, 1267280), (820, 1203916), (868, 1137340), (1022, 965960), (1064, 927830), (1085, 909872), (1148, 859940), (1168, 845215), (1178, 838040), (1240, 796138), (1271, 776720), (1330, 742264), (1387, 711760), (1435, 687952), (1460, 676172), (1520, 649481), (1558, 633640), (1640, 601958), (1736, 568670), (2044, 482980), (2128, 463915), (2170, 454936), (2263, 436240), (2296, 429970), (2356, 419020), (2480, 398069), (2542, 388360), (2555, 386384), (2660, 371132), (2774, 355880), (2870, 343976), (2920, 338086), (2945, 335216), (2993, 329840), (3116, 316820), (3280, 300979), (3472, 284335), (3895, 253456), (4088, 241490), (4123, 239440), (4340, 227468), (4526, 218120), (4592, 214985), (4712, 209510), (5084, 194180), (5110, 193192), (5320, 185566), (5453, 181040), (5548, 177940), (5740, 171988), (5840, 169043), (5890, 167608), (5986, 164920), (6232, 158410), (6355, 155344), (6935, 142352), (7790, 126728), (8176, 120745), (8246, 119720), (8680, 113734), (8897, 110960), (9052, 109060), (9424, 104755), (9709, 101680), (10168, 97090), (10220, 96596), (10640, 92783), (10906, 90520), (11096, 88970), (11315, 87248), (11480, 85994), (11780, 83804), (11972, 82460), (12464, 79205), (12710, 77672), (13870, 71176), (14965, 65968), (15580, 63364), (15841, 62320), (16492, 59860), (17360, 56867), (17794, 55480), (18104, 54530), (19418, 50840), (20336, 48545), (20440, 48298), (20615, 47888), (20951, 47120), (21812, 45260), (22192, 44485), (22630, 43624), (22960, 42997), (23560, 41902), (23944, 41230), (24149, 40880), (25420, 38836), (27265, 36208), (27740, 35588), (29930, 32984), (31160, 31682)]