81353610

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2243}}^1$

素因数の和:2300

約数の個数: 96

約数和(自身を含む): 235243008

約数和(自身を除く): 153889398

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 31, 39, 45, 62, 65, 78, 90, 93, 117, 130, 155, 186, 195, 234, 279, 310, 390, 403, 465, 558, 585, 806, 930, 1170, 1209, 1395, 2015, 2243, 2418, 2790, 3627, 4030, 4486, 6045, 6729, 7254, 11215, 12090, 13458, 18135, 20187, 22430, 29159, 33645, 36270, 40374, 58318, 67290, 69533, 87477, 100935, 139066, 145795, 174954, 201870, 208599, 262431, 291590, 347665, 417198, 437385, 524862, 625797, 695330, 874770, 903929, 1042995, 1251594, 1312155, 1807858, 2085990, 2624310, 2711787, 3128985, 4519645, 5423574, 6257970, 8135361, 9039290, 13558935, 16270722, 27117870, 40676805, 81353610]

約数ペア:

[(1, 81353610), (2, 40676805), (3, 27117870), (5, 16270722), (6, 13558935), (9, 9039290), (10, 8135361), (13, 6257970), (15, 5423574), (18, 4519645), (26, 3128985), (30, 2711787), (31, 2624310), (39, 2085990), (45, 1807858), (62, 1312155), (65, 1251594), (78, 1042995), (90, 903929), (93, 874770), (117, 695330), (130, 625797), (155, 524862), (186, 437385), (195, 417198), (234, 347665), (279, 291590), (310, 262431), (390, 208599), (403, 201870), (465, 174954), (558, 145795), (585, 139066), (806, 100935), (930, 87477), (1170, 69533), (1209, 67290), (1395, 58318), (2015, 40374), (2243, 36270), (2418, 33645), (2790, 29159), (3627, 22430), (4030, 20187), (4486, 18135), (6045, 13458), (6729, 12090), (7254, 11215)]