87281220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{751}}^1$

素因数の和:925

約数の個数: 96

約数和(自身を含む): 265305600

約数和(自身を除く): 178024380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 149, 156, 195, 260, 298, 390, 447, 596, 745, 751, 780, 894, 1490, 1502, 1788, 1937, 2235, 2253, 2980, 3004, 3755, 3874, 4470, 4506, 5811, 7510, 7748, 8940, 9012, 9685, 9763, 11265, 11622, 15020, 19370, 19526, 22530, 23244, 29055, 29289, 38740, 39052, 45060, 48815, 58110, 58578, 97630, 111899, 116220, 117156, 146445, 195260, 223798, 292890, 335697, 447596, 559495, 585780, 671394, 1118990, 1342788, 1454687, 1678485, 2237980, 2909374, 3356970, 4364061, 5818748, 6713940, 7273435, 8728122, 14546870, 17456244, 21820305, 29093740, 43640610, 87281220]

約数ペア:

[(1, 87281220), (2, 43640610), (3, 29093740), (4, 21820305), (5, 17456244), (6, 14546870), (10, 8728122), (12, 7273435), (13, 6713940), (15, 5818748), (20, 4364061), (26, 3356970), (30, 2909374), (39, 2237980), (52, 1678485), (60, 1454687), (65, 1342788), (78, 1118990), (130, 671394), (149, 585780), (156, 559495), (195, 447596), (260, 335697), (298, 292890), (390, 223798), (447, 195260), (596, 146445), (745, 117156), (751, 116220), (780, 111899), (894, 97630), (1490, 58578), (1502, 58110), (1788, 48815), (1937, 45060), (2235, 39052), (2253, 38740), (2980, 29289), (3004, 29055), (3755, 23244), (3874, 22530), (4470, 19526), (4506, 19370), (5811, 15020), (7510, 11622), (7748, 11265), (8940, 9763), (9012, 9685)]