1380793600

素因数分解:

$2^8\times 5^2\times {\mathrm{79}}^1\times {\mathrm{2731}}^1$

素因数の和:2836

約数の個数: 108

約数和(自身を含む): 3462208960

約数和(自身を除く): 2081415360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 79, 80, 100, 128, 158, 160, 200, 256, 316, 320, 395, 400, 632, 640, 790, 800, 1264, 1280, 1580, 1600, 1975, 2528, 2731, 3160, 3200, 3950, 5056, 5462, 6320, 6400, 7900, 10112, 10924, 12640, 13655, 15800, 20224, 21848, 25280, 27310, 31600, 43696, 50560, 54620, 63200, 68275, 87392, 101120, 109240, 126400, 136550, 174784, 215749, 218480, 252800, 273100, 349568, 431498, 436960, 505600, 546200, 699136, 862996, 873920, 1078745, 1092400, 1725992, 1747840, 2157490, 2184800, 3451984, 3495680, 4314980, 4369600, 5393725, 6903968, 8629960, 8739200, 10787450, 13807936, 17259920, 17478400, 21574900, 27615872, 34519840, 43149800, 55231744, 69039680, 86299600, 138079360, 172599200, 276158720, 345198400, 690396800, 1380793600]

約数ペア:

[(1, 1380793600), (2, 690396800), (4, 345198400), (5, 276158720), (8, 172599200), (10, 138079360), (16, 86299600), (20, 69039680), (25, 55231744), (32, 43149800), (40, 34519840), (50, 27615872), (64, 21574900), (79, 17478400), (80, 17259920), (100, 13807936), (128, 10787450), (158, 8739200), (160, 8629960), (200, 6903968), (256, 5393725), (316, 4369600), (320, 4314980), (395, 3495680), (400, 3451984), (632, 2184800), (640, 2157490), (790, 1747840), (800, 1725992), (1264, 1092400), (1280, 1078745), (1580, 873920), (1600, 862996), (1975, 699136), (2528, 546200), (2731, 505600), (3160, 436960), (3200, 431498), (3950, 349568), (5056, 273100), (5462, 252800), (6320, 218480), (6400, 215749), (7900, 174784), (10112, 136550), (10924, 126400), (12640, 109240), (13655, 101120), (15800, 87392), (20224, 68275), (21848, 63200), (25280, 54620), (27310, 50560), (31600, 43696)]