31287510

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:254

約数の個数: 96

約数和(自身を含む): 85307040

約数和(自身を除く): 54019530

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 41, 45, 61, 82, 90, 122, 123, 139, 183, 205, 246, 278, 305, 366, 369, 410, 417, 549, 610, 615, 695, 738, 834, 915, 1098, 1230, 1251, 1390, 1830, 1845, 2085, 2501, 2502, 2745, 3690, 4170, 5002, 5490, 5699, 6255, 7503, 8479, 11398, 12505, 12510, 15006, 16958, 17097, 22509, 25010, 25437, 28495, 34194, 37515, 42395, 45018, 50874, 51291, 56990, 75030, 76311, 84790, 85485, 102582, 112545, 127185, 152622, 170970, 225090, 254370, 256455, 347639, 381555, 512910, 695278, 763110, 1042917, 1738195, 2085834, 3128751, 3476390, 5214585, 6257502, 10429170, 15643755, 31287510]

約数ペア:

[(1, 31287510), (2, 15643755), (3, 10429170), (5, 6257502), (6, 5214585), (9, 3476390), (10, 3128751), (15, 2085834), (18, 1738195), (30, 1042917), (41, 763110), (45, 695278), (61, 512910), (82, 381555), (90, 347639), (122, 256455), (123, 254370), (139, 225090), (183, 170970), (205, 152622), (246, 127185), (278, 112545), (305, 102582), (366, 85485), (369, 84790), (410, 76311), (417, 75030), (549, 56990), (610, 51291), (615, 50874), (695, 45018), (738, 42395), (834, 37515), (915, 34194), (1098, 28495), (1230, 25437), (1251, 25010), (1390, 22509), (1830, 17097), (1845, 16958), (2085, 15006), (2501, 12510), (2502, 12505), (2745, 11398), (3690, 8479), (4170, 7503), (5002, 6255), (5490, 5699)]