1382758720

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{19913}}^1$

素因数の和:19968

約数の個数: 112

約数和(自身を含む): 3884663808

約数和(自身を除く): 2501905088

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 868, 992, 1085, 1120, 1240, 1736, 1984, 2170, 2240, 2480, 3472, 4340, 4960, 6944, 8680, 9920, 13888, 17360, 19913, 34720, 39826, 69440, 79652, 99565, 139391, 159304, 199130, 278782, 318608, 398260, 557564, 617303, 637216, 696955, 796520, 1115128, 1234606, 1274432, 1393910, 1593040, 2230256, 2469212, 2787820, 3086515, 3186080, 4321121, 4460512, 4938424, 5575640, 6173030, 6372160, 8642242, 8921024, 9876848, 11151280, 12346060, 17284484, 19753696, 21605605, 22302560, 24692120, 34568968, 39507392, 43211210, 44605120, 49384240, 69137936, 86422420, 98768480, 138275872, 172844840, 197536960, 276551744, 345689680, 691379360, 1382758720]

約数ペア:

[(1, 1382758720), (2, 691379360), (4, 345689680), (5, 276551744), (7, 197536960), (8, 172844840), (10, 138275872), (14, 98768480), (16, 86422420), (20, 69137936), (28, 49384240), (31, 44605120), (32, 43211210), (35, 39507392), (40, 34568968), (56, 24692120), (62, 22302560), (64, 21605605), (70, 19753696), (80, 17284484), (112, 12346060), (124, 11151280), (140, 9876848), (155, 8921024), (160, 8642242), (217, 6372160), (224, 6173030), (248, 5575640), (280, 4938424), (310, 4460512), (320, 4321121), (434, 3186080), (448, 3086515), (496, 2787820), (560, 2469212), (620, 2230256), (868, 1593040), (992, 1393910), (1085, 1274432), (1120, 1234606), (1240, 1115128), (1736, 796520), (1984, 696955), (2170, 637216), (2240, 617303), (2480, 557564), (3472, 398260), (4340, 318608), (4960, 278782), (6944, 199130), (8680, 159304), (9920, 139391), (13888, 99565), (17360, 79652), (19913, 69440), (34720, 39826)]