1243333120

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15667}}^1$

素因数の和:15721

約数の個数: 80

約数和(自身を含む): 3077445888

約数和(自身を除く): 1834112768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1240, 1280, 1984, 2480, 2560, 3968, 4960, 7936, 9920, 15667, 15872, 19840, 31334, 39680, 62668, 78335, 79360, 125336, 156670, 250672, 313340, 485677, 501344, 626680, 971354, 1002688, 1253360, 1942708, 2005376, 2428385, 2506720, 3885416, 4010752, 4856770, 5013440, 7770832, 8021504, 9713540, 10026880, 15541664, 19427080, 20053760, 31083328, 38854160, 40107520, 62166656, 77708320, 124333312, 155416640, 248666624, 310833280, 621666560, 1243333120]

約数ペア:

[(1, 1243333120), (2, 621666560), (4, 310833280), (5, 248666624), (8, 155416640), (10, 124333312), (16, 77708320), (20, 62166656), (31, 40107520), (32, 38854160), (40, 31083328), (62, 20053760), (64, 19427080), (80, 15541664), (124, 10026880), (128, 9713540), (155, 8021504), (160, 7770832), (248, 5013440), (256, 4856770), (310, 4010752), (320, 3885416), (496, 2506720), (512, 2428385), (620, 2005376), (640, 1942708), (992, 1253360), (1240, 1002688), (1280, 971354), (1984, 626680), (2480, 501344), (2560, 485677), (3968, 313340), (4960, 250672), (7936, 156670), (9920, 125336), (15667, 79360), (15872, 78335), (19840, 62668), (31334, 39680)]