81885570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{521}}^1$

素因数の和:588

約数の個数: 96

約数和(自身を含む): 220091904

約数和(自身を除く): 138206334

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 62, 65, 78, 93, 130, 155, 169, 186, 195, 310, 338, 390, 403, 465, 507, 521, 806, 845, 930, 1014, 1042, 1209, 1563, 1690, 2015, 2418, 2535, 2605, 3126, 4030, 5070, 5210, 5239, 6045, 6773, 7815, 10478, 12090, 13546, 15630, 15717, 16151, 20319, 26195, 31434, 32302, 33865, 40638, 48453, 52390, 67730, 78585, 80755, 88049, 96906, 101595, 157170, 161510, 176098, 203190, 209963, 242265, 264147, 419926, 440245, 484530, 528294, 629889, 880490, 1049815, 1259778, 1320735, 2099630, 2641470, 2729519, 3149445, 5459038, 6298890, 8188557, 13647595, 16377114, 27295190, 40942785, 81885570]

約数ペア:

[(1, 81885570), (2, 40942785), (3, 27295190), (5, 16377114), (6, 13647595), (10, 8188557), (13, 6298890), (15, 5459038), (26, 3149445), (30, 2729519), (31, 2641470), (39, 2099630), (62, 1320735), (65, 1259778), (78, 1049815), (93, 880490), (130, 629889), (155, 528294), (169, 484530), (186, 440245), (195, 419926), (310, 264147), (338, 242265), (390, 209963), (403, 203190), (465, 176098), (507, 161510), (521, 157170), (806, 101595), (845, 96906), (930, 88049), (1014, 80755), (1042, 78585), (1209, 67730), (1563, 52390), (1690, 48453), (2015, 40638), (2418, 33865), (2535, 32302), (2605, 31434), (3126, 26195), (4030, 20319), (5070, 16151), (5210, 15717), (5239, 15630), (6045, 13546), (6773, 12090), (7815, 10478)]