1212214680

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{3391}}^1$

素因数の和:3742

約数の個数: 128

約数和(自身を含む): 4054118400

約数和(自身を除く): 2841903720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 331, 360, 540, 662, 993, 1080, 1324, 1655, 1986, 2648, 2979, 3310, 3391, 3972, 4965, 5958, 6620, 6782, 7944, 8937, 9930, 10173, 11916, 13240, 13564, 14895, 16955, 17874, 19860, 20346, 23832, 27128, 29790, 30519, 33910, 35748, 39720, 40692, 44685, 50865, 59580, 61038, 67820, 71496, 81384, 89370, 91557, 101730, 119160, 122076, 135640, 152595, 178740, 183114, 203460, 244152, 305190, 357480, 366228, 406920, 457785, 610380, 732456, 915570, 1122421, 1220760, 1831140, 2244842, 3367263, 3662280, 4489684, 5612105, 6734526, 8979368, 10101789, 11224210, 13469052, 16836315, 20203578, 22448420, 26938104, 30305367, 33672630, 40407156, 44896840, 50508945, 60610734, 67345260, 80814312, 101017890, 121221468, 134690520, 151526835, 202035780, 242442936, 303053670, 404071560, 606107340, 1212214680]

約数ペア:

[(1, 1212214680), (2, 606107340), (3, 404071560), (4, 303053670), (5, 242442936), (6, 202035780), (8, 151526835), (9, 134690520), (10, 121221468), (12, 101017890), (15, 80814312), (18, 67345260), (20, 60610734), (24, 50508945), (27, 44896840), (30, 40407156), (36, 33672630), (40, 30305367), (45, 26938104), (54, 22448420), (60, 20203578), (72, 16836315), (90, 13469052), (108, 11224210), (120, 10101789), (135, 8979368), (180, 6734526), (216, 5612105), (270, 4489684), (331, 3662280), (360, 3367263), (540, 2244842), (662, 1831140), (993, 1220760), (1080, 1122421), (1324, 915570), (1655, 732456), (1986, 610380), (2648, 457785), (2979, 406920), (3310, 366228), (3391, 357480), (3972, 305190), (4965, 244152), (5958, 203460), (6620, 183114), (6782, 178740), (7944, 152595), (8937, 135640), (9930, 122076), (10173, 119160), (11916, 101730), (13240, 91557), (13564, 89370), (14895, 81384), (16955, 71496), (17874, 67820), (19860, 61038), (20346, 59580), (23832, 50865), (27128, 44685), (29790, 40692), (30519, 39720), (33910, 35748)]