80578300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:212

約数の個数: 144

約数和(自身を含む): 209986560

約数和(自身を除く): 129408260

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 25, 31, 34, 44, 50, 55, 62, 68, 85, 100, 110, 124, 139, 155, 170, 187, 220, 275, 278, 310, 340, 341, 374, 425, 527, 550, 556, 620, 682, 695, 748, 775, 850, 935, 1054, 1100, 1364, 1390, 1529, 1550, 1700, 1705, 1870, 2108, 2363, 2635, 2780, 3058, 3100, 3410, 3475, 3740, 4309, 4675, 4726, 5270, 5797, 6116, 6820, 6950, 7645, 8525, 8618, 9350, 9452, 10540, 11594, 11815, 13175, 13900, 15290, 17050, 17236, 18700, 21545, 23188, 23630, 25993, 26350, 28985, 30580, 34100, 38225, 43090, 47260, 47399, 51986, 52700, 57970, 59075, 73253, 76450, 86180, 94798, 103972, 107725, 115940, 118150, 129965, 144925, 146506, 152900, 189596, 215450, 236300, 236995, 259930, 289850, 293012, 366265, 430900, 473990, 519860, 579700, 649825, 732530, 805783, 947980, 1184975, 1299650, 1465060, 1611566, 1831325, 2369950, 2599300, 3223132, 3662650, 4028915, 4739900, 7325300, 8057830, 16115660, 20144575, 40289150, 80578300]

約数ペア:

[(1, 80578300), (2, 40289150), (4, 20144575), (5, 16115660), (10, 8057830), (11, 7325300), (17, 4739900), (20, 4028915), (22, 3662650), (25, 3223132), (31, 2599300), (34, 2369950), (44, 1831325), (50, 1611566), (55, 1465060), (62, 1299650), (68, 1184975), (85, 947980), (100, 805783), (110, 732530), (124, 649825), (139, 579700), (155, 519860), (170, 473990), (187, 430900), (220, 366265), (275, 293012), (278, 289850), (310, 259930), (340, 236995), (341, 236300), (374, 215450), (425, 189596), (527, 152900), (550, 146506), (556, 144925), (620, 129965), (682, 118150), (695, 115940), (748, 107725), (775, 103972), (850, 94798), (935, 86180), (1054, 76450), (1100, 73253), (1364, 59075), (1390, 57970), (1529, 52700), (1550, 51986), (1700, 47399), (1705, 47260), (1870, 43090), (2108, 38225), (2363, 34100), (2635, 30580), (2780, 28985), (3058, 26350), (3100, 25993), (3410, 23630), (3475, 23188), (3740, 21545), (4309, 18700), (4675, 17236), (4726, 17050), (5270, 15290), (5797, 13900), (6116, 13175), (6820, 11815), (6950, 11594), (7645, 10540), (8525, 9452), (8618, 9350)]