491768760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:302

約数の個数: 256

約数和(自身を含む): 1756339200

約数和(自身を除く): 1264570440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 41, 42, 56, 60, 70, 82, 84, 105, 109, 120, 123, 131, 140, 164, 168, 205, 210, 218, 246, 262, 280, 287, 327, 328, 393, 410, 420, 436, 492, 524, 545, 574, 615, 654, 655, 763, 786, 820, 840, 861, 872, 917, 984, 1048, 1090, 1148, 1230, 1308, 1310, 1435, 1526, 1572, 1635, 1640, 1722, 1834, 1965, 2180, 2289, 2296, 2460, 2616, 2620, 2751, 2870, 3052, 3144, 3270, 3444, 3668, 3815, 3930, 4305, 4360, 4469, 4578, 4585, 4920, 5240, 5371, 5502, 5740, 6104, 6540, 6888, 7336, 7630, 7860, 8610, 8938, 9156, 9170, 10742, 11004, 11445, 11480, 13080, 13407, 13755, 14279, 15260, 15720, 16113, 17220, 17876, 18312, 18340, 21484, 22008, 22345, 22890, 26814, 26855, 27510, 28558, 30520, 31283, 32226, 34440, 35752, 36680, 37597, 42837, 42968, 44690, 45780, 53628, 53710, 55020, 57116, 62566, 64452, 67035, 71395, 75194, 80565, 85674, 89380, 91560, 93849, 99953, 107256, 107420, 110040, 112791, 114232, 125132, 128904, 134070, 142790, 150388, 156415, 161130, 171348, 178760, 187698, 187985, 199906, 214185, 214840, 225582, 250264, 268140, 285580, 299859, 300776, 312830, 322260, 342696, 375396, 375970, 399812, 428370, 451164, 469245, 499765, 536280, 563955, 571160, 585439, 599718, 625660, 644520, 750792, 751940, 799624, 856740, 902328, 938490, 999530, 1127910, 1170878, 1199436, 1251320, 1499295, 1503880, 1713480, 1756317, 1876980, 1999060, 2255820, 2341756, 2398872, 2927195, 2998590, 3512634, 3753960, 3998120, 4098073, 4511640, 4683512, 5854390, 5997180, 7025268, 8196146, 8781585, 11708780, 11994360, 12294219, 14050536, 16392292, 17563170, 20490365, 23417560, 24588438, 32784584, 35126340, 40980730, 49176876, 61471095, 70252680, 81961460, 98353752, 122942190, 163922920, 245884380, 491768760]

約数ペア:

[(1, 491768760), (2, 245884380), (3, 163922920), (4, 122942190), (5, 98353752), (6, 81961460), (7, 70252680), (8, 61471095), (10, 49176876), (12, 40980730), (14, 35126340), (15, 32784584), (20, 24588438), (21, 23417560), (24, 20490365), (28, 17563170), (30, 16392292), (35, 14050536), (40, 12294219), (41, 11994360), (42, 11708780), (56, 8781585), (60, 8196146), (70, 7025268), (82, 5997180), (84, 5854390), (105, 4683512), (109, 4511640), (120, 4098073), (123, 3998120), (131, 3753960), (140, 3512634), (164, 2998590), (168, 2927195), (205, 2398872), (210, 2341756), (218, 2255820), (246, 1999060), (262, 1876980), (280, 1756317), (287, 1713480), (327, 1503880), (328, 1499295), (393, 1251320), (410, 1199436), (420, 1170878), (436, 1127910), (492, 999530), (524, 938490), (545, 902328), (574, 856740), (615, 799624), (654, 751940), (655, 750792), (763, 644520), (786, 625660), (820, 599718), (840, 585439), (861, 571160), (872, 563955), (917, 536280), (984, 499765), (1048, 469245), (1090, 451164), (1148, 428370), (1230, 399812), (1308, 375970), (1310, 375396), (1435, 342696), (1526, 322260), (1572, 312830), (1635, 300776), (1640, 299859), (1722, 285580), (1834, 268140), (1965, 250264), (2180, 225582), (2289, 214840), (2296, 214185), (2460, 199906), (2616, 187985), (2620, 187698), (2751, 178760), (2870, 171348), (3052, 161130), (3144, 156415), (3270, 150388), (3444, 142790), (3668, 134070), (3815, 128904), (3930, 125132), (4305, 114232), (4360, 112791), (4469, 110040), (4578, 107420), (4585, 107256), (4920, 99953), (5240, 93849), (5371, 91560), (5502, 89380), (5740, 85674), (6104, 80565), (6540, 75194), (6888, 71395), (7336, 67035), (7630, 64452), (7860, 62566), (8610, 57116), (8938, 55020), (9156, 53710), (9170, 53628), (10742, 45780), (11004, 44690), (11445, 42968), (11480, 42837), (13080, 37597), (13407, 36680), (13755, 35752), (14279, 34440), (15260, 32226), (15720, 31283), (16113, 30520), (17220, 28558), (17876, 27510), (18312, 26855), (18340, 26814), (21484, 22890), (22008, 22345)]