209893560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{3319}}^1$

素因数の和:3381

約数の個数: 128

約数和(自身を含む): 688435200

約数和(自身を除く): 478541640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 31, 34, 40, 51, 60, 62, 68, 85, 93, 102, 120, 124, 136, 155, 170, 186, 204, 248, 255, 310, 340, 372, 408, 465, 510, 527, 620, 680, 744, 930, 1020, 1054, 1240, 1581, 1860, 2040, 2108, 2635, 3162, 3319, 3720, 4216, 5270, 6324, 6638, 7905, 9957, 10540, 12648, 13276, 15810, 16595, 19914, 21080, 26552, 31620, 33190, 39828, 49785, 56423, 63240, 66380, 79656, 99570, 102889, 112846, 132760, 169269, 199140, 205778, 225692, 282115, 308667, 338538, 398280, 411556, 451384, 514445, 564230, 617334, 677076, 823112, 846345, 1028890, 1128460, 1234668, 1354152, 1543335, 1692690, 1749113, 2057780, 2256920, 2469336, 3086670, 3385380, 3498226, 4115560, 5247339, 6173340, 6770760, 6996452, 8745565, 10494678, 12346680, 13992904, 17491130, 20989356, 26236695, 34982260, 41978712, 52473390, 69964520, 104946780, 209893560]

約数ペア:

[(1, 209893560), (2, 104946780), (3, 69964520), (4, 52473390), (5, 41978712), (6, 34982260), (8, 26236695), (10, 20989356), (12, 17491130), (15, 13992904), (17, 12346680), (20, 10494678), (24, 8745565), (30, 6996452), (31, 6770760), (34, 6173340), (40, 5247339), (51, 4115560), (60, 3498226), (62, 3385380), (68, 3086670), (85, 2469336), (93, 2256920), (102, 2057780), (120, 1749113), (124, 1692690), (136, 1543335), (155, 1354152), (170, 1234668), (186, 1128460), (204, 1028890), (248, 846345), (255, 823112), (310, 677076), (340, 617334), (372, 564230), (408, 514445), (465, 451384), (510, 411556), (527, 398280), (620, 338538), (680, 308667), (744, 282115), (930, 225692), (1020, 205778), (1054, 199140), (1240, 169269), (1581, 132760), (1860, 112846), (2040, 102889), (2108, 99570), (2635, 79656), (3162, 66380), (3319, 63240), (3720, 56423), (4216, 49785), (5270, 39828), (6324, 33190), (6638, 31620), (7905, 26552), (9957, 21080), (10540, 19914), (12648, 16595), (13276, 15810)]