881859920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{9511}}^1$

素因数の和:9604

約数の個数: 80

約数和(自身を含む): 2193847680

約数和(自身を除く): 1311987760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 61, 76, 80, 95, 122, 152, 190, 244, 304, 305, 380, 488, 610, 760, 976, 1159, 1220, 1520, 2318, 2440, 4636, 4880, 5795, 9272, 9511, 11590, 18544, 19022, 23180, 38044, 46360, 47555, 76088, 92720, 95110, 152176, 180709, 190220, 361418, 380440, 580171, 722836, 760880, 903545, 1160342, 1445672, 1807090, 2320684, 2891344, 2900855, 3614180, 4641368, 5801710, 7228360, 9282736, 11023249, 11603420, 14456720, 22046498, 23206840, 44092996, 46413680, 55116245, 88185992, 110232490, 176371984, 220464980, 440929960, 881859920]

約数ペア:

[(1, 881859920), (2, 440929960), (4, 220464980), (5, 176371984), (8, 110232490), (10, 88185992), (16, 55116245), (19, 46413680), (20, 44092996), (38, 23206840), (40, 22046498), (61, 14456720), (76, 11603420), (80, 11023249), (95, 9282736), (122, 7228360), (152, 5801710), (190, 4641368), (244, 3614180), (304, 2900855), (305, 2891344), (380, 2320684), (488, 1807090), (610, 1445672), (760, 1160342), (976, 903545), (1159, 760880), (1220, 722836), (1520, 580171), (2318, 380440), (2440, 361418), (4636, 190220), (4880, 180709), (5795, 152176), (9272, 95110), (9511, 92720), (11590, 76088), (18544, 47555), (19022, 46360), (23180, 38044)]