31544240

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{619}}^1$

素因数の和:659

約数の個数: 120

約数和(自身を含む): 92025360

約数和(自身を除く): 60481120

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 182, 196, 208, 245, 260, 280, 364, 392, 455, 490, 520, 560, 619, 637, 728, 784, 910, 980, 1040, 1238, 1274, 1456, 1820, 1960, 2476, 2548, 3095, 3185, 3640, 3920, 4333, 4952, 5096, 6190, 6370, 7280, 8047, 8666, 9904, 10192, 12380, 12740, 16094, 17332, 21665, 24760, 25480, 30331, 32188, 34664, 40235, 43330, 49520, 50960, 56329, 60662, 64376, 69328, 80470, 86660, 112658, 121324, 128752, 151655, 160940, 173320, 225316, 242648, 281645, 303310, 321880, 346640, 394303, 450632, 485296, 563290, 606620, 643760, 788606, 901264, 1126580, 1213240, 1577212, 1971515, 2253160, 2426480, 3154424, 3943030, 4506320, 6308848, 7886060, 15772120, 31544240]

約数ペア:

[(1, 31544240), (2, 15772120), (4, 7886060), (5, 6308848), (7, 4506320), (8, 3943030), (10, 3154424), (13, 2426480), (14, 2253160), (16, 1971515), (20, 1577212), (26, 1213240), (28, 1126580), (35, 901264), (40, 788606), (49, 643760), (52, 606620), (56, 563290), (65, 485296), (70, 450632), (80, 394303), (91, 346640), (98, 321880), (104, 303310), (112, 281645), (130, 242648), (140, 225316), (182, 173320), (196, 160940), (208, 151655), (245, 128752), (260, 121324), (280, 112658), (364, 86660), (392, 80470), (455, 69328), (490, 64376), (520, 60662), (560, 56329), (619, 50960), (637, 49520), (728, 43330), (784, 40235), (910, 34664), (980, 32188), (1040, 30331), (1238, 25480), (1274, 24760), (1456, 21665), (1820, 17332), (1960, 16094), (2476, 12740), (2548, 12380), (3095, 10192), (3185, 9904), (3640, 8666), (3920, 8047), (4333, 7280), (4952, 6370), (5096, 6190)]