128297280

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1249}}^1$

素因数の和:1376

約数の個数: 112

約数和(自身を含む): 411480000

約数和(自身を除く): 283182720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 107, 120, 160, 192, 214, 240, 320, 321, 428, 480, 535, 642, 856, 960, 1070, 1249, 1284, 1605, 1712, 2140, 2498, 2568, 3210, 3424, 3747, 4280, 4996, 5136, 6245, 6420, 6848, 7494, 8560, 9992, 10272, 12490, 12840, 14988, 17120, 18735, 19984, 20544, 24980, 25680, 29976, 34240, 37470, 39968, 49960, 51360, 59952, 74940, 79936, 99920, 102720, 119904, 133643, 149880, 199840, 239808, 267286, 299760, 399680, 400929, 534572, 599520, 668215, 801858, 1069144, 1199040, 1336430, 1603716, 2004645, 2138288, 2672860, 3207432, 4009290, 4276576, 5345720, 6414864, 8018580, 8553152, 10691440, 12829728, 16037160, 21382880, 25659456, 32074320, 42765760, 64148640, 128297280]

約数ペア:

[(1, 128297280), (2, 64148640), (3, 42765760), (4, 32074320), (5, 25659456), (6, 21382880), (8, 16037160), (10, 12829728), (12, 10691440), (15, 8553152), (16, 8018580), (20, 6414864), (24, 5345720), (30, 4276576), (32, 4009290), (40, 3207432), (48, 2672860), (60, 2138288), (64, 2004645), (80, 1603716), (96, 1336430), (107, 1199040), (120, 1069144), (160, 801858), (192, 668215), (214, 599520), (240, 534572), (320, 400929), (321, 399680), (428, 299760), (480, 267286), (535, 239808), (642, 199840), (856, 149880), (960, 133643), (1070, 119904), (1249, 102720), (1284, 99920), (1605, 79936), (1712, 74940), (2140, 59952), (2498, 51360), (2568, 49960), (3210, 39968), (3424, 37470), (3747, 34240), (4280, 29976), (4996, 25680), (5136, 24980), (6245, 20544), (6420, 19984), (6848, 18735), (7494, 17120), (8560, 14988), (9992, 12840), (10272, 12490)]