18376680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{167}}^1$

素因数の和:319

約数の個数: 128

約数和(自身を含む): 63866880

約数和(自身を除く): 45490200

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, 131, 140, 167, 168, 210, 262, 280, 334, 393, 420, 501, 524, 655, 668, 786, 835, 840, 917, 1002, 1048, 1169, 1310, 1336, 1572, 1670, 1834, 1965, 2004, 2338, 2505, 2620, 2751, 3144, 3340, 3507, 3668, 3930, 4008, 4585, 4676, 5010, 5240, 5502, 5845, 6680, 7014, 7336, 7860, 9170, 9352, 10020, 11004, 11690, 13755, 14028, 15720, 17535, 18340, 20040, 21877, 22008, 23380, 27510, 28056, 35070, 36680, 43754, 46760, 55020, 65631, 70140, 87508, 109385, 110040, 131262, 140280, 153139, 175016, 218770, 262524, 306278, 328155, 437540, 459417, 525048, 612556, 656310, 765695, 875080, 918834, 1225112, 1312620, 1531390, 1837668, 2297085, 2625240, 3062780, 3675336, 4594170, 6125560, 9188340, 18376680]

約数ペア:

[(1, 18376680), (2, 9188340), (3, 6125560), (4, 4594170), (5, 3675336), (6, 3062780), (7, 2625240), (8, 2297085), (10, 1837668), (12, 1531390), (14, 1312620), (15, 1225112), (20, 918834), (21, 875080), (24, 765695), (28, 656310), (30, 612556), (35, 525048), (40, 459417), (42, 437540), (56, 328155), (60, 306278), (70, 262524), (84, 218770), (105, 175016), (120, 153139), (131, 140280), (140, 131262), (167, 110040), (168, 109385), (210, 87508), (262, 70140), (280, 65631), (334, 55020), (393, 46760), (420, 43754), (501, 36680), (524, 35070), (655, 28056), (668, 27510), (786, 23380), (835, 22008), (840, 21877), (917, 20040), (1002, 18340), (1048, 17535), (1169, 15720), (1310, 14028), (1336, 13755), (1572, 11690), (1670, 11004), (1834, 10020), (1965, 9352), (2004, 9170), (2338, 7860), (2505, 7336), (2620, 7014), (2751, 6680), (3144, 5845), (3340, 5502), (3507, 5240), (3668, 5010), (3930, 4676), (4008, 4585)]