1214321940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{691}}^1\times {\mathrm{751}}^1$

素因数の和:1470

約数の個数: 144

約数和(自身を含む): 3977815296

約数和(自身を除く): 2763493356

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 691, 751, 780, 1170, 1382, 1502, 2073, 2253, 2340, 2764, 3004, 3455, 3755, 4146, 4506, 6219, 6759, 6910, 7510, 8292, 8983, 9012, 9763, 10365, 11265, 12438, 13518, 13820, 15020, 17966, 19526, 20730, 22530, 24876, 26949, 27036, 29289, 31095, 33795, 35932, 39052, 41460, 44915, 45060, 48815, 53898, 58578, 62190, 67590, 80847, 87867, 89830, 97630, 107796, 117156, 124380, 134745, 135180, 146445, 161694, 175734, 179660, 195260, 269490, 292890, 323388, 351468, 404235, 439335, 518941, 538980, 585780, 808470, 878670, 1037882, 1556823, 1616940, 1757340, 2075764, 2594705, 3113646, 4670469, 5189410, 6227292, 6746233, 7784115, 9340938, 10378820, 13492466, 15568230, 18681876, 20238699, 23352345, 26984932, 31136460, 33731165, 40477398, 46704690, 60716097, 67462330, 80954796, 93409380, 101193495, 121432194, 134924660, 202386990, 242864388, 303580485, 404773980, 607160970, 1214321940]

約数ペア:

[(1, 1214321940), (2, 607160970), (3, 404773980), (4, 303580485), (5, 242864388), (6, 202386990), (9, 134924660), (10, 121432194), (12, 101193495), (13, 93409380), (15, 80954796), (18, 67462330), (20, 60716097), (26, 46704690), (30, 40477398), (36, 33731165), (39, 31136460), (45, 26984932), (52, 23352345), (60, 20238699), (65, 18681876), (78, 15568230), (90, 13492466), (117, 10378820), (130, 9340938), (156, 7784115), (180, 6746233), (195, 6227292), (234, 5189410), (260, 4670469), (390, 3113646), (468, 2594705), (585, 2075764), (691, 1757340), (751, 1616940), (780, 1556823), (1170, 1037882), (1382, 878670), (1502, 808470), (2073, 585780), (2253, 538980), (2340, 518941), (2764, 439335), (3004, 404235), (3455, 351468), (3755, 323388), (4146, 292890), (4506, 269490), (6219, 195260), (6759, 179660), (6910, 175734), (7510, 161694), (8292, 146445), (8983, 135180), (9012, 134745), (9763, 124380), (10365, 117156), (11265, 107796), (12438, 97630), (13518, 89830), (13820, 87867), (15020, 80847), (17966, 67590), (19526, 62190), (20730, 58578), (22530, 53898), (24876, 48815), (26949, 45060), (27036, 44915), (29289, 41460), (31095, 39052), (33795, 35932)]