77939760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:251

約数の個数: 160

約数和(自身を含む): 253769472

約数和(自身を除く): 175829712

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 67, 74, 80, 111, 120, 131, 134, 148, 185, 201, 222, 240, 262, 268, 296, 335, 370, 393, 402, 444, 524, 536, 555, 592, 655, 670, 740, 786, 804, 888, 1005, 1048, 1072, 1110, 1310, 1340, 1480, 1572, 1608, 1776, 1965, 2010, 2096, 2220, 2479, 2620, 2680, 2960, 3144, 3216, 3930, 4020, 4440, 4847, 4958, 5240, 5360, 6288, 7437, 7860, 8040, 8777, 8880, 9694, 9916, 10480, 12395, 14541, 14874, 15720, 16080, 17554, 19388, 19832, 24235, 24790, 26331, 29082, 29748, 31440, 35108, 37185, 38776, 39664, 43885, 48470, 49580, 52662, 58164, 59496, 70216, 72705, 74370, 77552, 87770, 96940, 99160, 105324, 116328, 118992, 131655, 140432, 145410, 148740, 175540, 193880, 198320, 210648, 232656, 263310, 290820, 297480, 324749, 351080, 387760, 421296, 526620, 581640, 594960, 649498, 702160, 974247, 1053240, 1163280, 1298996, 1623745, 1948494, 2106480, 2597992, 3247490, 3896988, 4871235, 5195984, 6494980, 7793976, 9742470, 12989960, 15587952, 19484940, 25979920, 38969880, 77939760]

約数ペア:

[(1, 77939760), (2, 38969880), (3, 25979920), (4, 19484940), (5, 15587952), (6, 12989960), (8, 9742470), (10, 7793976), (12, 6494980), (15, 5195984), (16, 4871235), (20, 3896988), (24, 3247490), (30, 2597992), (37, 2106480), (40, 1948494), (48, 1623745), (60, 1298996), (67, 1163280), (74, 1053240), (80, 974247), (111, 702160), (120, 649498), (131, 594960), (134, 581640), (148, 526620), (185, 421296), (201, 387760), (222, 351080), (240, 324749), (262, 297480), (268, 290820), (296, 263310), (335, 232656), (370, 210648), (393, 198320), (402, 193880), (444, 175540), (524, 148740), (536, 145410), (555, 140432), (592, 131655), (655, 118992), (670, 116328), (740, 105324), (786, 99160), (804, 96940), (888, 87770), (1005, 77552), (1048, 74370), (1072, 72705), (1110, 70216), (1310, 59496), (1340, 58164), (1480, 52662), (1572, 49580), (1608, 48470), (1776, 43885), (1965, 39664), (2010, 38776), (2096, 37185), (2220, 35108), (2479, 31440), (2620, 29748), (2680, 29082), (2960, 26331), (3144, 24790), (3216, 24235), (3930, 19832), (4020, 19388), (4440, 17554), (4847, 16080), (4958, 15720), (5240, 14874), (5360, 14541), (6288, 12395), (7437, 10480), (7860, 9916), (8040, 9694), (8777, 8880)]