71368720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{541}}^1$

素因数の和:668

約数の個数: 80

約数和(自身を含む): 177832368

約数和(自身を除く): 106463648

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 97, 136, 170, 194, 272, 340, 388, 485, 541, 680, 776, 970, 1082, 1360, 1552, 1649, 1940, 2164, 2705, 3298, 3880, 4328, 5410, 6596, 7760, 8245, 8656, 9197, 10820, 13192, 16490, 18394, 21640, 26384, 32980, 36788, 43280, 45985, 52477, 65960, 73576, 91970, 104954, 131920, 147152, 183940, 209908, 262385, 367880, 419816, 524770, 735760, 839632, 892109, 1049540, 1784218, 2099080, 3568436, 4198160, 4460545, 7136872, 8921090, 14273744, 17842180, 35684360, 71368720]

約数ペア:

[(1, 71368720), (2, 35684360), (4, 17842180), (5, 14273744), (8, 8921090), (10, 7136872), (16, 4460545), (17, 4198160), (20, 3568436), (34, 2099080), (40, 1784218), (68, 1049540), (80, 892109), (85, 839632), (97, 735760), (136, 524770), (170, 419816), (194, 367880), (272, 262385), (340, 209908), (388, 183940), (485, 147152), (541, 131920), (680, 104954), (776, 91970), (970, 73576), (1082, 65960), (1360, 52477), (1552, 45985), (1649, 43280), (1940, 36788), (2164, 32980), (2705, 26384), (3298, 21640), (3880, 18394), (4328, 16490), (5410, 13192), (6596, 10820), (7760, 9197), (8245, 8656)]