81061890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1291}}^1$

素因数の和:1344

約数の個数: 128

約数和(自身を含む): 250048512

約数和(自身を除く): 168986622

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 23, 26, 30, 35, 39, 42, 46, 65, 69, 70, 78, 91, 105, 115, 130, 138, 161, 182, 195, 210, 230, 273, 299, 322, 345, 390, 455, 483, 546, 598, 690, 805, 897, 910, 966, 1291, 1365, 1495, 1610, 1794, 2093, 2415, 2582, 2730, 2990, 3873, 4186, 4485, 4830, 6279, 6455, 7746, 8970, 9037, 10465, 12558, 12910, 16783, 18074, 19365, 20930, 27111, 29693, 31395, 33566, 38730, 45185, 50349, 54222, 59386, 62790, 83915, 89079, 90370, 100698, 117481, 135555, 148465, 167830, 178158, 207851, 234962, 251745, 271110, 296930, 352443, 386009, 415702, 445395, 503490, 587405, 623553, 704886, 772018, 890790, 1039255, 1158027, 1174810, 1247106, 1762215, 1930045, 2078510, 2316054, 2702063, 3117765, 3524430, 3860090, 5404126, 5790135, 6235530, 8106189, 11580270, 13510315, 16212378, 27020630, 40530945, 81061890]

約数ペア:

[(1, 81061890), (2, 40530945), (3, 27020630), (5, 16212378), (6, 13510315), (7, 11580270), (10, 8106189), (13, 6235530), (14, 5790135), (15, 5404126), (21, 3860090), (23, 3524430), (26, 3117765), (30, 2702063), (35, 2316054), (39, 2078510), (42, 1930045), (46, 1762215), (65, 1247106), (69, 1174810), (70, 1158027), (78, 1039255), (91, 890790), (105, 772018), (115, 704886), (130, 623553), (138, 587405), (161, 503490), (182, 445395), (195, 415702), (210, 386009), (230, 352443), (273, 296930), (299, 271110), (322, 251745), (345, 234962), (390, 207851), (455, 178158), (483, 167830), (546, 148465), (598, 135555), (690, 117481), (805, 100698), (897, 90370), (910, 89079), (966, 83915), (1291, 62790), (1365, 59386), (1495, 54222), (1610, 50349), (1794, 45185), (2093, 38730), (2415, 33566), (2582, 31395), (2730, 29693), (2990, 27111), (3873, 20930), (4186, 19365), (4485, 18074), (4830, 16783), (6279, 12910), (6455, 12558), (7746, 10465), (8970, 9037)]