87321570

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{179}}^1$

素因数の和:320

約数の個数: 128

約数和(自身を含む): 253808640

約数和(自身を除く): 166487070

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 30, 35, 42, 46, 69, 70, 101, 105, 115, 138, 161, 179, 202, 210, 230, 303, 322, 345, 358, 483, 505, 537, 606, 690, 707, 805, 895, 966, 1010, 1074, 1253, 1414, 1515, 1610, 1790, 2121, 2323, 2415, 2506, 2685, 3030, 3535, 3759, 4117, 4242, 4646, 4830, 5370, 6265, 6969, 7070, 7518, 8234, 10605, 11615, 12351, 12530, 13938, 16261, 18079, 18795, 20585, 21210, 23230, 24702, 28819, 32522, 34845, 36158, 37590, 41170, 48783, 54237, 57638, 61755, 69690, 81305, 86457, 90395, 97566, 108474, 123510, 126553, 144095, 162610, 172914, 180790, 243915, 253106, 271185, 288190, 379659, 415817, 432285, 487830, 542370, 632765, 759318, 831634, 864570, 1247451, 1265530, 1898295, 2079085, 2494902, 2910719, 3796590, 4158170, 5821438, 6237255, 8732157, 12474510, 14553595, 17464314, 29107190, 43660785, 87321570]

約数ペア:

[(1, 87321570), (2, 43660785), (3, 29107190), (5, 17464314), (6, 14553595), (7, 12474510), (10, 8732157), (14, 6237255), (15, 5821438), (21, 4158170), (23, 3796590), (30, 2910719), (35, 2494902), (42, 2079085), (46, 1898295), (69, 1265530), (70, 1247451), (101, 864570), (105, 831634), (115, 759318), (138, 632765), (161, 542370), (179, 487830), (202, 432285), (210, 415817), (230, 379659), (303, 288190), (322, 271185), (345, 253106), (358, 243915), (483, 180790), (505, 172914), (537, 162610), (606, 144095), (690, 126553), (707, 123510), (805, 108474), (895, 97566), (966, 90395), (1010, 86457), (1074, 81305), (1253, 69690), (1414, 61755), (1515, 57638), (1610, 54237), (1790, 48783), (2121, 41170), (2323, 37590), (2415, 36158), (2506, 34845), (2685, 32522), (3030, 28819), (3535, 24702), (3759, 23230), (4117, 21210), (4242, 20585), (4646, 18795), (4830, 18079), (5370, 16261), (6265, 13938), (6969, 12530), (7070, 12351), (7518, 11615), (8234, 10605)]