2221380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:106

約数の個数: 144

約数和(自身を含む): 8072064

約数和(自身を除く): 5850684

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 41, 42, 43, 45, 60, 63, 70, 82, 84, 86, 90, 105, 123, 126, 129, 140, 164, 172, 180, 205, 210, 215, 246, 252, 258, 287, 301, 315, 369, 387, 410, 420, 430, 492, 516, 574, 602, 615, 630, 645, 738, 774, 820, 860, 861, 903, 1148, 1204, 1230, 1260, 1290, 1435, 1476, 1505, 1548, 1722, 1763, 1806, 1845, 1935, 2460, 2580, 2583, 2709, 2870, 3010, 3444, 3526, 3612, 3690, 3870, 4305, 4515, 5166, 5289, 5418, 5740, 6020, 7052, 7380, 7740, 8610, 8815, 9030, 10332, 10578, 10836, 12341, 12915, 13545, 15867, 17220, 17630, 18060, 21156, 24682, 25830, 26445, 27090, 31734, 35260, 37023, 49364, 51660, 52890, 54180, 61705, 63468, 74046, 79335, 105780, 111069, 123410, 148092, 158670, 185115, 222138, 246820, 317340, 370230, 444276, 555345, 740460, 1110690, 2221380]

約数ペア:

[(1, 2221380), (2, 1110690), (3, 740460), (4, 555345), (5, 444276), (6, 370230), (7, 317340), (9, 246820), (10, 222138), (12, 185115), (14, 158670), (15, 148092), (18, 123410), (20, 111069), (21, 105780), (28, 79335), (30, 74046), (35, 63468), (36, 61705), (41, 54180), (42, 52890), (43, 51660), (45, 49364), (60, 37023), (63, 35260), (70, 31734), (82, 27090), (84, 26445), (86, 25830), (90, 24682), (105, 21156), (123, 18060), (126, 17630), (129, 17220), (140, 15867), (164, 13545), (172, 12915), (180, 12341), (205, 10836), (210, 10578), (215, 10332), (246, 9030), (252, 8815), (258, 8610), (287, 7740), (301, 7380), (315, 7052), (369, 6020), (387, 5740), (410, 5418), (420, 5289), (430, 5166), (492, 4515), (516, 4305), (574, 3870), (602, 3690), (615, 3612), (630, 3526), (645, 3444), (738, 3010), (774, 2870), (820, 2709), (860, 2583), (861, 2580), (903, 2460), (1148, 1935), (1204, 1845), (1230, 1806), (1260, 1763), (1290, 1722), (1435, 1548), (1476, 1505)]