77648180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:249

約数の個数: 96

約数和(自身を含む): 182891520

約数和(自身を除く): 105243340

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 53, 62, 68, 85, 106, 124, 139, 155, 170, 212, 265, 278, 310, 340, 527, 530, 556, 620, 695, 901, 1054, 1060, 1390, 1643, 1802, 2108, 2363, 2635, 2780, 3286, 3604, 4309, 4505, 4726, 5270, 6572, 7367, 8215, 8618, 9010, 9452, 10540, 11815, 14734, 16430, 17236, 18020, 21545, 23630, 27931, 29468, 32860, 36835, 43090, 47260, 55862, 73253, 73670, 86180, 111724, 125239, 139655, 146506, 147340, 228377, 250478, 279310, 293012, 366265, 456754, 500956, 558620, 626195, 732530, 913508, 1141885, 1252390, 1465060, 2283770, 2504780, 3882409, 4567540, 7764818, 15529636, 19412045, 38824090, 77648180]

約数ペア:

[(1, 77648180), (2, 38824090), (4, 19412045), (5, 15529636), (10, 7764818), (17, 4567540), (20, 3882409), (31, 2504780), (34, 2283770), (53, 1465060), (62, 1252390), (68, 1141885), (85, 913508), (106, 732530), (124, 626195), (139, 558620), (155, 500956), (170, 456754), (212, 366265), (265, 293012), (278, 279310), (310, 250478), (340, 228377), (527, 147340), (530, 146506), (556, 139655), (620, 125239), (695, 111724), (901, 86180), (1054, 73670), (1060, 73253), (1390, 55862), (1643, 47260), (1802, 43090), (2108, 36835), (2363, 32860), (2635, 29468), (2780, 27931), (3286, 23630), (3604, 21545), (4309, 18020), (4505, 17236), (4726, 16430), (5270, 14734), (6572, 11815), (7367, 10540), (8215, 9452), (8618, 9010)]