77937720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:166

約数の個数: 256

約数和(自身を含む): 286433280

約数和(自身を除く): 208495560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 41, 42, 56, 60, 62, 70, 73, 82, 84, 93, 105, 120, 123, 124, 140, 146, 155, 164, 168, 186, 205, 210, 217, 219, 246, 248, 280, 287, 292, 310, 328, 365, 372, 410, 420, 434, 438, 465, 492, 511, 574, 584, 615, 620, 651, 730, 744, 820, 840, 861, 868, 876, 930, 984, 1022, 1085, 1095, 1148, 1230, 1240, 1271, 1302, 1435, 1460, 1533, 1640, 1722, 1736, 1752, 1860, 2044, 2170, 2190, 2263, 2296, 2460, 2542, 2555, 2604, 2870, 2920, 2993, 3066, 3255, 3444, 3720, 3813, 4088, 4305, 4340, 4380, 4526, 4920, 5084, 5110, 5208, 5740, 5986, 6132, 6355, 6510, 6789, 6888, 7626, 7665, 8610, 8680, 8760, 8897, 8979, 9052, 10168, 10220, 11315, 11480, 11972, 12264, 12710, 13020, 13578, 14965, 15252, 15330, 15841, 17220, 17794, 17958, 18104, 19065, 20440, 20951, 22630, 23944, 25420, 26040, 26691, 27156, 29930, 30504, 30660, 31682, 33945, 34440, 35588, 35916, 38130, 41902, 44485, 44895, 45260, 47523, 50840, 53382, 54312, 59860, 61320, 62853, 63364, 67890, 71176, 71832, 76260, 79205, 83804, 88970, 89790, 90520, 92783, 95046, 104755, 106764, 119720, 125706, 126728, 133455, 135780, 152520, 158410, 167608, 177940, 179580, 185566, 190092, 209510, 213528, 237615, 251412, 266910, 271560, 278349, 314265, 316820, 355880, 359160, 371132, 380184, 419020, 463915, 475230, 502824, 533820, 556698, 628530, 633640, 649481, 742264, 838040, 927830, 950460, 1067640, 1113396, 1257060, 1298962, 1391745, 1855660, 1900920, 1948443, 2226792, 2514120, 2597924, 2783490, 3247405, 3711320, 3896886, 5195848, 5566980, 6494810, 7793772, 9742215, 11133960, 12989620, 15587544, 19484430, 25979240, 38968860, 77937720]

約数ペア:

[(1, 77937720), (2, 38968860), (3, 25979240), (4, 19484430), (5, 15587544), (6, 12989620), (7, 11133960), (8, 9742215), (10, 7793772), (12, 6494810), (14, 5566980), (15, 5195848), (20, 3896886), (21, 3711320), (24, 3247405), (28, 2783490), (30, 2597924), (31, 2514120), (35, 2226792), (40, 1948443), (41, 1900920), (42, 1855660), (56, 1391745), (60, 1298962), (62, 1257060), (70, 1113396), (73, 1067640), (82, 950460), (84, 927830), (93, 838040), (105, 742264), (120, 649481), (123, 633640), (124, 628530), (140, 556698), (146, 533820), (155, 502824), (164, 475230), (168, 463915), (186, 419020), (205, 380184), (210, 371132), (217, 359160), (219, 355880), (246, 316820), (248, 314265), (280, 278349), (287, 271560), (292, 266910), (310, 251412), (328, 237615), (365, 213528), (372, 209510), (410, 190092), (420, 185566), (434, 179580), (438, 177940), (465, 167608), (492, 158410), (511, 152520), (574, 135780), (584, 133455), (615, 126728), (620, 125706), (651, 119720), (730, 106764), (744, 104755), (820, 95046), (840, 92783), (861, 90520), (868, 89790), (876, 88970), (930, 83804), (984, 79205), (1022, 76260), (1085, 71832), (1095, 71176), (1148, 67890), (1230, 63364), (1240, 62853), (1271, 61320), (1302, 59860), (1435, 54312), (1460, 53382), (1533, 50840), (1640, 47523), (1722, 45260), (1736, 44895), (1752, 44485), (1860, 41902), (2044, 38130), (2170, 35916), (2190, 35588), (2263, 34440), (2296, 33945), (2460, 31682), (2542, 30660), (2555, 30504), (2604, 29930), (2870, 27156), (2920, 26691), (2993, 26040), (3066, 25420), (3255, 23944), (3444, 22630), (3720, 20951), (3813, 20440), (4088, 19065), (4305, 18104), (4340, 17958), (4380, 17794), (4526, 17220), (4920, 15841), (5084, 15330), (5110, 15252), (5208, 14965), (5740, 13578), (5986, 13020), (6132, 12710), (6355, 12264), (6510, 11972), (6789, 11480), (6888, 11315), (7626, 10220), (7665, 10168), (8610, 9052), (8680, 8979), (8760, 8897)]