423807720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{1297}}^1$

素因数の和:1707

約数の個数: 128

約数和(自身を含む): 1457913600

約数和(自身を除く): 1034105880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 389, 420, 778, 840, 1167, 1297, 1556, 1945, 2334, 2594, 2723, 3112, 3890, 3891, 4668, 5188, 5446, 5835, 6485, 7780, 7782, 8169, 9079, 9336, 10376, 10892, 11670, 12970, 13615, 15560, 15564, 16338, 18158, 19455, 21784, 23340, 25940, 27230, 27237, 31128, 32676, 36316, 38910, 40845, 45395, 46680, 51880, 54460, 54474, 65352, 72632, 77820, 81690, 90790, 108920, 108948, 136185, 155640, 163380, 181580, 217896, 272370, 326760, 363160, 504533, 544740, 1009066, 1089480, 1513599, 2018132, 2522665, 3027198, 3531731, 4036264, 5045330, 6054396, 7063462, 7567995, 10090660, 10595193, 12108792, 14126924, 15135990, 17658655, 20181320, 21190386, 28253848, 30271980, 35317310, 42380772, 52975965, 60543960, 70634620, 84761544, 105951930, 141269240, 211903860, 423807720]

約数ペア:

[(1, 423807720), (2, 211903860), (3, 141269240), (4, 105951930), (5, 84761544), (6, 70634620), (7, 60543960), (8, 52975965), (10, 42380772), (12, 35317310), (14, 30271980), (15, 28253848), (20, 21190386), (21, 20181320), (24, 17658655), (28, 15135990), (30, 14126924), (35, 12108792), (40, 10595193), (42, 10090660), (56, 7567995), (60, 7063462), (70, 6054396), (84, 5045330), (105, 4036264), (120, 3531731), (140, 3027198), (168, 2522665), (210, 2018132), (280, 1513599), (389, 1089480), (420, 1009066), (778, 544740), (840, 504533), (1167, 363160), (1297, 326760), (1556, 272370), (1945, 217896), (2334, 181580), (2594, 163380), (2723, 155640), (3112, 136185), (3890, 108948), (3891, 108920), (4668, 90790), (5188, 81690), (5446, 77820), (5835, 72632), (6485, 65352), (7780, 54474), (7782, 54460), (8169, 51880), (9079, 46680), (9336, 45395), (10376, 40845), (10892, 38910), (11670, 36316), (12970, 32676), (13615, 31128), (15560, 27237), (15564, 27230), (16338, 25940), (18158, 23340), (19455, 21784)]