1212328440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{421}}^2$

素因数の和:878

約数の個数: 144

約数和(自身を含む): 4157314200

約数和(自身を除く): 2944985760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 285, 342, 360, 380, 421, 456, 570, 684, 760, 842, 855, 1140, 1263, 1368, 1684, 1710, 2105, 2280, 2526, 3368, 3420, 3789, 4210, 5052, 6315, 6840, 7578, 7999, 8420, 10104, 12630, 15156, 15998, 16840, 18945, 23997, 25260, 30312, 31996, 37890, 39995, 47994, 50520, 63992, 71991, 75780, 79990, 95988, 119985, 143982, 151560, 159980, 177241, 191976, 239970, 287964, 319960, 354482, 359955, 479940, 531723, 575928, 708964, 719910, 886205, 959880, 1063446, 1417928, 1439820, 1595169, 1772410, 2126892, 2658615, 2879640, 3190338, 3367579, 3544820, 4253784, 5317230, 6380676, 6735158, 7089640, 7975845, 10102737, 10634460, 12761352, 13470316, 15951690, 16837895, 20205474, 21268920, 26940632, 30308211, 31903380, 33675790, 40410948, 50513685, 60616422, 63806760, 67351580, 80821896, 101027370, 121232844, 134703160, 151541055, 202054740, 242465688, 303082110, 404109480, 606164220, 1212328440]

約数ペア:

[(1, 1212328440), (2, 606164220), (3, 404109480), (4, 303082110), (5, 242465688), (6, 202054740), (8, 151541055), (9, 134703160), (10, 121232844), (12, 101027370), (15, 80821896), (18, 67351580), (19, 63806760), (20, 60616422), (24, 50513685), (30, 40410948), (36, 33675790), (38, 31903380), (40, 30308211), (45, 26940632), (57, 21268920), (60, 20205474), (72, 16837895), (76, 15951690), (90, 13470316), (95, 12761352), (114, 10634460), (120, 10102737), (152, 7975845), (171, 7089640), (180, 6735158), (190, 6380676), (228, 5317230), (285, 4253784), (342, 3544820), (360, 3367579), (380, 3190338), (421, 2879640), (456, 2658615), (570, 2126892), (684, 1772410), (760, 1595169), (842, 1439820), (855, 1417928), (1140, 1063446), (1263, 959880), (1368, 886205), (1684, 719910), (1710, 708964), (2105, 575928), (2280, 531723), (2526, 479940), (3368, 359955), (3420, 354482), (3789, 319960), (4210, 287964), (5052, 239970), (6315, 191976), (6840, 177241), (7578, 159980), (7999, 151560), (8420, 143982), (10104, 119985), (12630, 95988), (15156, 79990), (15998, 75780), (16840, 71991), (18945, 63992), (23997, 50520), (25260, 47994), (30312, 39995), (31996, 37890)]