215680020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{359}}^1$

素因数の和:438

約数の個数: 192

約数和(自身を含む): 696729600

約数和(自身を除く): 481049580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 19, 20, 30, 31, 34, 38, 51, 57, 60, 62, 68, 76, 85, 93, 95, 102, 114, 124, 155, 170, 186, 190, 204, 228, 255, 285, 310, 323, 340, 359, 372, 380, 465, 510, 527, 570, 589, 620, 646, 718, 930, 969, 1020, 1054, 1077, 1140, 1178, 1292, 1436, 1581, 1615, 1767, 1795, 1860, 1938, 2108, 2154, 2356, 2635, 2945, 3162, 3230, 3534, 3590, 3876, 4308, 4845, 5270, 5385, 5890, 6103, 6324, 6460, 6821, 7068, 7180, 7905, 8835, 9690, 10013, 10540, 10770, 11129, 11780, 12206, 13642, 15810, 17670, 18309, 19380, 20026, 20463, 21540, 22258, 24412, 27284, 30039, 30515, 31620, 33387, 34105, 35340, 36618, 40052, 40926, 44516, 50065, 55645, 60078, 61030, 66774, 68210, 73236, 81852, 91545, 100130, 102315, 111290, 115957, 120156, 122060, 133548, 136420, 150195, 166935, 183090, 189193, 200260, 204630, 211451, 222580, 231914, 300390, 333870, 347871, 366180, 378386, 409260, 422902, 463828, 567579, 579785, 600780, 634353, 667740, 695742, 756772, 845804, 945965, 1057255, 1135158, 1159570, 1268706, 1391484, 1739355, 1891930, 2114510, 2270316, 2319140, 2537412, 2837895, 3171765, 3478710, 3594667, 3783860, 4229020, 5675790, 6343530, 6957420, 7189334, 10784001, 11351580, 12687060, 14378668, 17973335, 21568002, 35946670, 43136004, 53920005, 71893340, 107840010, 215680020]

約数ペア:

[(1, 215680020), (2, 107840010), (3, 71893340), (4, 53920005), (5, 43136004), (6, 35946670), (10, 21568002), (12, 17973335), (15, 14378668), (17, 12687060), (19, 11351580), (20, 10784001), (30, 7189334), (31, 6957420), (34, 6343530), (38, 5675790), (51, 4229020), (57, 3783860), (60, 3594667), (62, 3478710), (68, 3171765), (76, 2837895), (85, 2537412), (93, 2319140), (95, 2270316), (102, 2114510), (114, 1891930), (124, 1739355), (155, 1391484), (170, 1268706), (186, 1159570), (190, 1135158), (204, 1057255), (228, 945965), (255, 845804), (285, 756772), (310, 695742), (323, 667740), (340, 634353), (359, 600780), (372, 579785), (380, 567579), (465, 463828), (510, 422902), (527, 409260), (570, 378386), (589, 366180), (620, 347871), (646, 333870), (718, 300390), (930, 231914), (969, 222580), (1020, 211451), (1054, 204630), (1077, 200260), (1140, 189193), (1178, 183090), (1292, 166935), (1436, 150195), (1581, 136420), (1615, 133548), (1767, 122060), (1795, 120156), (1860, 115957), (1938, 111290), (2108, 102315), (2154, 100130), (2356, 91545), (2635, 81852), (2945, 73236), (3162, 68210), (3230, 66774), (3534, 61030), (3590, 60078), (3876, 55645), (4308, 50065), (4845, 44516), (5270, 40926), (5385, 40052), (5890, 36618), (6103, 35340), (6324, 34105), (6460, 33387), (6821, 31620), (7068, 30515), (7180, 30039), (7905, 27284), (8835, 24412), (9690, 22258), (10013, 21540), (10540, 20463), (10770, 20026), (11129, 19380), (11780, 18309), (12206, 17670), (13642, 15810)]