689105640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{571}}^1$

素因数の和:787

約数の個数: 128

約数和(自身を含む): 2112739200

約数和(自身を除く): 1423633560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 89, 113, 120, 178, 226, 267, 339, 356, 445, 452, 534, 565, 571, 678, 712, 890, 904, 1068, 1130, 1142, 1335, 1356, 1695, 1713, 1780, 2136, 2260, 2284, 2670, 2712, 2855, 3390, 3426, 3560, 4520, 4568, 5340, 5710, 6780, 6852, 8565, 10057, 10680, 11420, 13560, 13704, 17130, 20114, 22840, 30171, 34260, 40228, 50285, 50819, 60342, 64523, 68520, 80456, 100570, 101638, 120684, 129046, 150855, 152457, 193569, 201140, 203276, 241368, 254095, 258092, 301710, 304914, 322615, 387138, 402280, 406552, 508190, 516184, 603420, 609828, 645230, 762285, 774276, 967845, 1016380, 1206840, 1219656, 1290460, 1524570, 1548552, 1935690, 2032760, 2580920, 3049140, 3871380, 5742547, 6098280, 7742760, 11485094, 17227641, 22970188, 28712735, 34455282, 45940376, 57425470, 68910564, 86138205, 114850940, 137821128, 172276410, 229701880, 344552820, 689105640]

約数ペア:

[(1, 689105640), (2, 344552820), (3, 229701880), (4, 172276410), (5, 137821128), (6, 114850940), (8, 86138205), (10, 68910564), (12, 57425470), (15, 45940376), (20, 34455282), (24, 28712735), (30, 22970188), (40, 17227641), (60, 11485094), (89, 7742760), (113, 6098280), (120, 5742547), (178, 3871380), (226, 3049140), (267, 2580920), (339, 2032760), (356, 1935690), (445, 1548552), (452, 1524570), (534, 1290460), (565, 1219656), (571, 1206840), (678, 1016380), (712, 967845), (890, 774276), (904, 762285), (1068, 645230), (1130, 609828), (1142, 603420), (1335, 516184), (1356, 508190), (1695, 406552), (1713, 402280), (1780, 387138), (2136, 322615), (2260, 304914), (2284, 301710), (2670, 258092), (2712, 254095), (2855, 241368), (3390, 203276), (3426, 201140), (3560, 193569), (4520, 152457), (4568, 150855), (5340, 129046), (5710, 120684), (6780, 101638), (6852, 100570), (8565, 80456), (10057, 68520), (10680, 64523), (11420, 60342), (13560, 50819), (13704, 50285), (17130, 40228), (20114, 34260), (22840, 30171)]