71202040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{631}}^1$

素因数の和:693

約数の個数: 128

約数和(自身を含む): 203857920

約数和(自身を除く): 132655880

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 91, 104, 124, 130, 140, 155, 182, 217, 248, 260, 280, 310, 364, 403, 434, 455, 520, 620, 631, 728, 806, 868, 910, 1085, 1240, 1262, 1612, 1736, 1820, 2015, 2170, 2524, 2821, 3155, 3224, 3640, 4030, 4340, 4417, 5048, 5642, 6310, 8060, 8203, 8680, 8834, 11284, 12620, 14105, 16120, 16406, 17668, 19561, 22085, 22568, 25240, 28210, 32812, 35336, 39122, 41015, 44170, 56420, 57421, 65624, 78244, 82030, 88340, 97805, 112840, 114842, 136927, 156488, 164060, 176680, 195610, 229684, 254293, 273854, 287105, 328120, 391220, 459368, 508586, 547708, 574210, 684635, 782440, 1017172, 1095416, 1148420, 1271465, 1369270, 1780051, 2034344, 2296840, 2542930, 2738540, 3560102, 5085860, 5477080, 7120204, 8900255, 10171720, 14240408, 17800510, 35601020, 71202040]

約数ペア:

[(1, 71202040), (2, 35601020), (4, 17800510), (5, 14240408), (7, 10171720), (8, 8900255), (10, 7120204), (13, 5477080), (14, 5085860), (20, 3560102), (26, 2738540), (28, 2542930), (31, 2296840), (35, 2034344), (40, 1780051), (52, 1369270), (56, 1271465), (62, 1148420), (65, 1095416), (70, 1017172), (91, 782440), (104, 684635), (124, 574210), (130, 547708), (140, 508586), (155, 459368), (182, 391220), (217, 328120), (248, 287105), (260, 273854), (280, 254293), (310, 229684), (364, 195610), (403, 176680), (434, 164060), (455, 156488), (520, 136927), (620, 114842), (631, 112840), (728, 97805), (806, 88340), (868, 82030), (910, 78244), (1085, 65624), (1240, 57421), (1262, 56420), (1612, 44170), (1736, 41015), (1820, 39122), (2015, 35336), (2170, 32812), (2524, 28210), (2821, 25240), (3155, 22568), (3224, 22085), (3640, 19561), (4030, 17668), (4340, 16406), (4417, 16120), (5048, 14105), (5642, 12620), (6310, 11284), (8060, 8834), (8203, 8680)]