80971920

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1973}}^1$

素因数の和:2014

約数の個数: 160

約数和(自身を含む): 293731200

約数和(自身を除く): 212759280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 90, 95, 108, 114, 120, 135, 144, 152, 171, 180, 190, 216, 228, 240, 270, 285, 304, 342, 360, 380, 432, 456, 513, 540, 570, 684, 720, 760, 855, 912, 1026, 1080, 1140, 1368, 1520, 1710, 1973, 2052, 2160, 2280, 2565, 2736, 3420, 3946, 4104, 4560, 5130, 5919, 6840, 7892, 8208, 9865, 10260, 11838, 13680, 15784, 17757, 19730, 20520, 23676, 29595, 31568, 35514, 37487, 39460, 41040, 47352, 53271, 59190, 71028, 74974, 78920, 88785, 94704, 106542, 112461, 118380, 142056, 149948, 157840, 177570, 187435, 213084, 224922, 236760, 266355, 284112, 299896, 337383, 355140, 374870, 426168, 449844, 473520, 532710, 562305, 599792, 674766, 710280, 749740, 852336, 899688, 1012149, 1065420, 1124610, 1349532, 1420560, 1499480, 1686915, 1799376, 2024298, 2130840, 2249220, 2699064, 2998960, 3373830, 4048596, 4261680, 4498440, 5060745, 5398128, 6747660, 8097192, 8996880, 10121490, 13495320, 16194384, 20242980, 26990640, 40485960, 80971920]

約数ペア:

[(1, 80971920), (2, 40485960), (3, 26990640), (4, 20242980), (5, 16194384), (6, 13495320), (8, 10121490), (9, 8996880), (10, 8097192), (12, 6747660), (15, 5398128), (16, 5060745), (18, 4498440), (19, 4261680), (20, 4048596), (24, 3373830), (27, 2998960), (30, 2699064), (36, 2249220), (38, 2130840), (40, 2024298), (45, 1799376), (48, 1686915), (54, 1499480), (57, 1420560), (60, 1349532), (72, 1124610), (76, 1065420), (80, 1012149), (90, 899688), (95, 852336), (108, 749740), (114, 710280), (120, 674766), (135, 599792), (144, 562305), (152, 532710), (171, 473520), (180, 449844), (190, 426168), (216, 374870), (228, 355140), (240, 337383), (270, 299896), (285, 284112), (304, 266355), (342, 236760), (360, 224922), (380, 213084), (432, 187435), (456, 177570), (513, 157840), (540, 149948), (570, 142056), (684, 118380), (720, 112461), (760, 106542), (855, 94704), (912, 88785), (1026, 78920), (1080, 74974), (1140, 71028), (1368, 59190), (1520, 53271), (1710, 47352), (1973, 41040), (2052, 39460), (2160, 37487), (2280, 35514), (2565, 31568), (2736, 29595), (3420, 23676), (3946, 20520), (4104, 19730), (4560, 17757), (5130, 15784), (5919, 13680), (6840, 11838), (7892, 10260), (8208, 9865)]