1220932080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{27799}}^1$

素因数の和:27879

約数の個数: 120

約数和(自身を含む): 4167664800

約数和(自身を除く): 2946732720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 61, 72, 80, 90, 120, 122, 144, 180, 183, 240, 244, 305, 360, 366, 488, 549, 610, 720, 732, 915, 976, 1098, 1220, 1464, 1830, 2196, 2440, 2745, 2928, 3660, 4392, 4880, 5490, 7320, 8784, 10980, 14640, 21960, 27799, 43920, 55598, 83397, 111196, 138995, 166794, 222392, 250191, 277990, 333588, 416985, 444784, 500382, 555980, 667176, 833970, 1000764, 1111960, 1250955, 1334352, 1667940, 1695739, 2001528, 2223920, 2501910, 3335880, 3391478, 4003056, 5003820, 5087217, 6671760, 6782956, 8478695, 10007640, 10174434, 13565912, 15261651, 16957390, 20015280, 20348868, 25436085, 27131824, 30523302, 33914780, 40697736, 50872170, 61046604, 67829560, 76308255, 81395472, 101744340, 122093208, 135659120, 152616510, 203488680, 244186416, 305233020, 406977360, 610466040, 1220932080]

約数ペア:

[(1, 1220932080), (2, 610466040), (3, 406977360), (4, 305233020), (5, 244186416), (6, 203488680), (8, 152616510), (9, 135659120), (10, 122093208), (12, 101744340), (15, 81395472), (16, 76308255), (18, 67829560), (20, 61046604), (24, 50872170), (30, 40697736), (36, 33914780), (40, 30523302), (45, 27131824), (48, 25436085), (60, 20348868), (61, 20015280), (72, 16957390), (80, 15261651), (90, 13565912), (120, 10174434), (122, 10007640), (144, 8478695), (180, 6782956), (183, 6671760), (240, 5087217), (244, 5003820), (305, 4003056), (360, 3391478), (366, 3335880), (488, 2501910), (549, 2223920), (610, 2001528), (720, 1695739), (732, 1667940), (915, 1334352), (976, 1250955), (1098, 1111960), (1220, 1000764), (1464, 833970), (1830, 667176), (2196, 555980), (2440, 500382), (2745, 444784), (2928, 416985), (3660, 333588), (4392, 277990), (4880, 250191), (5490, 222392), (7320, 166794), (8784, 138995), (10980, 111196), (14640, 83397), (21960, 55598), (27799, 43920)]