188540520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{577}}^1$

素因数の和:987

約数の個数: 128

約数和(自身を含む): 649209600

約数和(自身を除く): 460669080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 389, 420, 577, 778, 840, 1154, 1167, 1556, 1731, 1945, 2308, 2334, 2723, 2885, 3112, 3462, 3890, 4039, 4616, 4668, 5446, 5770, 5835, 6924, 7780, 8078, 8169, 8655, 9336, 10892, 11540, 11670, 12117, 13615, 13848, 15560, 16156, 16338, 17310, 20195, 21784, 23080, 23340, 24234, 27230, 32312, 32676, 34620, 40390, 40845, 46680, 48468, 54460, 60585, 65352, 69240, 80780, 81690, 96936, 108920, 121170, 161560, 163380, 224453, 242340, 326760, 448906, 484680, 673359, 897812, 1122265, 1346718, 1571171, 1795624, 2244530, 2693436, 3142342, 3366795, 4489060, 4713513, 5386872, 6284684, 6733590, 7855855, 8978120, 9427026, 12569368, 13467180, 15711710, 18854052, 23567565, 26934360, 31423420, 37708104, 47135130, 62846840, 94270260, 188540520]

約数ペア:

[(1, 188540520), (2, 94270260), (3, 62846840), (4, 47135130), (5, 37708104), (6, 31423420), (7, 26934360), (8, 23567565), (10, 18854052), (12, 15711710), (14, 13467180), (15, 12569368), (20, 9427026), (21, 8978120), (24, 7855855), (28, 6733590), (30, 6284684), (35, 5386872), (40, 4713513), (42, 4489060), (56, 3366795), (60, 3142342), (70, 2693436), (84, 2244530), (105, 1795624), (120, 1571171), (140, 1346718), (168, 1122265), (210, 897812), (280, 673359), (389, 484680), (420, 448906), (577, 326760), (778, 242340), (840, 224453), (1154, 163380), (1167, 161560), (1556, 121170), (1731, 108920), (1945, 96936), (2308, 81690), (2334, 80780), (2723, 69240), (2885, 65352), (3112, 60585), (3462, 54460), (3890, 48468), (4039, 46680), (4616, 40845), (4668, 40390), (5446, 34620), (5770, 32676), (5835, 32312), (6924, 27230), (7780, 24234), (8078, 23340), (8169, 23080), (8655, 21784), (9336, 20195), (10892, 17310), (11540, 16338), (11670, 16156), (12117, 15560), (13615, 13848)]