1391916800

素因数分解:

$2^8\times 5^2\times {\mathrm{79}}^1\times {\mathrm{2753}}^1$

素因数の和:2858

約数の個数: 108

約数和(自身を含む): 3490089120

約数和(自身を除く): 2098172320

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, 2753, 3160, 3200, 3950, 5056, 5506, 6320, 6400, 7900, 10112, 11012, 12640, 13765, 15800, 20224, 22024, 25280, 27530, 31600, 44048, 50560, 55060, 63200, 68825, 88096, 101120, 110120, 126400, 137650, 176192, 217487, 220240, 252800, 275300, 352384, 434974, 440480, 505600, 550600, 704768, 869948, 880960, 1087435, 1101200, 1739896, 1761920, 2174870, 2202400, 3479792, 3523840, 4349740, 4404800, 5437175, 6959584, 8699480, 8809600, 10874350, 13919168, 17398960, 17619200, 21748700, 27838336, 34797920, 43497400, 55676672, 69595840, 86994800, 139191680, 173989600, 278383360, 347979200, 695958400, 1391916800]

約数ペア:

[(1, 1391916800), (2, 695958400), (4, 347979200), (5, 278383360), (8, 173989600), (10, 139191680), (16, 86994800), (20, 69595840), (25, 55676672), (32, 43497400), (40, 34797920), (50, 27838336), (64, 21748700), (79, 17619200), (80, 17398960), (100, 13919168), (128, 10874350), (158, 8809600), (160, 8699480), (200, 6959584), (256, 5437175), (316, 4404800), (320, 4349740), (395, 3523840), (400, 3479792), (632, 2202400), (640, 2174870), (790, 1761920), (800, 1739896), (1264, 1101200), (1280, 1087435), (1580, 880960), (1600, 869948), (1975, 704768), (2528, 550600), (2753, 505600), (3160, 440480), (3200, 434974), (3950, 352384), (5056, 275300), (5506, 252800), (6320, 220240), (6400, 217487), (7900, 176192), (10112, 137650), (11012, 126400), (12640, 110120), (13765, 101120), (15800, 88096), (20224, 68825), (22024, 63200), (25280, 55060), (27530, 50560), (31600, 44048)]