69881240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1$

素因数の和:697

約数の個数: 128

約数和(自身を含む): 194745600

約数和(自身を除く): 124864360

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 19, 20, 22, 26, 38, 40, 44, 52, 55, 65, 76, 88, 95, 104, 110, 130, 143, 152, 190, 209, 220, 247, 260, 286, 380, 418, 440, 494, 520, 572, 643, 715, 760, 836, 988, 1045, 1144, 1235, 1286, 1430, 1672, 1976, 2090, 2470, 2572, 2717, 2860, 3215, 4180, 4940, 5144, 5434, 5720, 6430, 7073, 8359, 8360, 9880, 10868, 12217, 12860, 13585, 14146, 16718, 21736, 24434, 25720, 27170, 28292, 33436, 35365, 41795, 48868, 54340, 56584, 61085, 66872, 70730, 83590, 91949, 97736, 108680, 122170, 134387, 141460, 158821, 167180, 183898, 244340, 268774, 282920, 317642, 334360, 367796, 459745, 488680, 537548, 635284, 671935, 735592, 794105, 919490, 1075096, 1270568, 1343870, 1588210, 1747031, 1838980, 2687740, 3176420, 3494062, 3677960, 5375480, 6352840, 6988124, 8735155, 13976248, 17470310, 34940620, 69881240]

約数ペア:

[(1, 69881240), (2, 34940620), (4, 17470310), (5, 13976248), (8, 8735155), (10, 6988124), (11, 6352840), (13, 5375480), (19, 3677960), (20, 3494062), (22, 3176420), (26, 2687740), (38, 1838980), (40, 1747031), (44, 1588210), (52, 1343870), (55, 1270568), (65, 1075096), (76, 919490), (88, 794105), (95, 735592), (104, 671935), (110, 635284), (130, 537548), (143, 488680), (152, 459745), (190, 367796), (209, 334360), (220, 317642), (247, 282920), (260, 268774), (286, 244340), (380, 183898), (418, 167180), (440, 158821), (494, 141460), (520, 134387), (572, 122170), (643, 108680), (715, 97736), (760, 91949), (836, 83590), (988, 70730), (1045, 66872), (1144, 61085), (1235, 56584), (1286, 54340), (1430, 48868), (1672, 41795), (1976, 35365), (2090, 33436), (2470, 28292), (2572, 27170), (2717, 25720), (2860, 24434), (3215, 21736), (4180, 16718), (4940, 14146), (5144, 13585), (5434, 12860), (5720, 12217), (6430, 10868), (7073, 9880), (8359, 8360)]