218442420

素因数分解:

$2^2\times 3^5\times 5^1\times 7^1\times {\mathrm{6421}}^1$

素因数の和:6452

約数の個数: 144

約数和(自身を含む): 785436288

約数和(自身を除く): 566993868

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 243, 252, 270, 315, 324, 378, 405, 420, 486, 540, 567, 630, 756, 810, 945, 972, 1134, 1215, 1260, 1620, 1701, 1890, 2268, 2430, 2835, 3402, 3780, 4860, 5670, 6421, 6804, 8505, 11340, 12842, 17010, 19263, 25684, 32105, 34020, 38526, 44947, 57789, 64210, 77052, 89894, 96315, 115578, 128420, 134841, 173367, 179788, 192630, 224735, 231156, 269682, 288945, 346734, 385260, 404523, 449470, 520101, 539364, 577890, 674205, 693468, 809046, 866835, 898940, 1040202, 1155780, 1213569, 1348410, 1560303, 1618092, 1733670, 2022615, 2080404, 2427138, 2600505, 2696820, 3120606, 3467340, 3640707, 4045230, 4854276, 5201010, 6067845, 6241212, 7281414, 7801515, 8090460, 10402020, 10922121, 12135690, 14562828, 15603030, 18203535, 21844242, 24271380, 31206060, 36407070, 43688484, 54610605, 72814140, 109221210, 218442420]

約数ペア:

[(1, 218442420), (2, 109221210), (3, 72814140), (4, 54610605), (5, 43688484), (6, 36407070), (7, 31206060), (9, 24271380), (10, 21844242), (12, 18203535), (14, 15603030), (15, 14562828), (18, 12135690), (20, 10922121), (21, 10402020), (27, 8090460), (28, 7801515), (30, 7281414), (35, 6241212), (36, 6067845), (42, 5201010), (45, 4854276), (54, 4045230), (60, 3640707), (63, 3467340), (70, 3120606), (81, 2696820), (84, 2600505), (90, 2427138), (105, 2080404), (108, 2022615), (126, 1733670), (135, 1618092), (140, 1560303), (162, 1348410), (180, 1213569), (189, 1155780), (210, 1040202), (243, 898940), (252, 866835), (270, 809046), (315, 693468), (324, 674205), (378, 577890), (405, 539364), (420, 520101), (486, 449470), (540, 404523), (567, 385260), (630, 346734), (756, 288945), (810, 269682), (945, 231156), (972, 224735), (1134, 192630), (1215, 179788), (1260, 173367), (1620, 134841), (1701, 128420), (1890, 115578), (2268, 96315), (2430, 89894), (2835, 77052), (3402, 64210), (3780, 57789), (4860, 44947), (5670, 38526), (6421, 34020), (6804, 32105), (8505, 25684), (11340, 19263), (12842, 17010)]