128992800

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{757}}^1$

素因数の和:851

約数の個数: 144

約数和(自身を含む): 426347712

約数和(自身を除く): 297354912

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 71, 75, 80, 96, 100, 120, 142, 150, 160, 200, 213, 240, 284, 300, 355, 400, 426, 480, 568, 600, 710, 757, 800, 852, 1065, 1136, 1200, 1420, 1514, 1704, 1775, 2130, 2271, 2272, 2400, 2840, 3028, 3408, 3550, 3785, 4260, 4542, 5325, 5680, 6056, 6816, 7100, 7570, 8520, 9084, 10650, 11355, 11360, 12112, 14200, 15140, 17040, 18168, 18925, 21300, 22710, 24224, 28400, 30280, 34080, 36336, 37850, 42600, 45420, 53747, 56775, 56800, 60560, 72672, 75700, 85200, 90840, 107494, 113550, 121120, 151400, 161241, 170400, 181680, 214988, 227100, 268735, 302800, 322482, 363360, 429976, 454200, 537470, 605600, 644964, 806205, 859952, 908400, 1074940, 1289928, 1343675, 1612410, 1719904, 1816800, 2149880, 2579856, 2687350, 3224820, 4031025, 4299760, 5159712, 5374700, 6449640, 8062050, 8599520, 10749400, 12899280, 16124100, 21498800, 25798560, 32248200, 42997600, 64496400, 128992800]

約数ペア:

[(1, 128992800), (2, 64496400), (3, 42997600), (4, 32248200), (5, 25798560), (6, 21498800), (8, 16124100), (10, 12899280), (12, 10749400), (15, 8599520), (16, 8062050), (20, 6449640), (24, 5374700), (25, 5159712), (30, 4299760), (32, 4031025), (40, 3224820), (48, 2687350), (50, 2579856), (60, 2149880), (71, 1816800), (75, 1719904), (80, 1612410), (96, 1343675), (100, 1289928), (120, 1074940), (142, 908400), (150, 859952), (160, 806205), (200, 644964), (213, 605600), (240, 537470), (284, 454200), (300, 429976), (355, 363360), (400, 322482), (426, 302800), (480, 268735), (568, 227100), (600, 214988), (710, 181680), (757, 170400), (800, 161241), (852, 151400), (1065, 121120), (1136, 113550), (1200, 107494), (1420, 90840), (1514, 85200), (1704, 75700), (1775, 72672), (2130, 60560), (2271, 56800), (2272, 56775), (2400, 53747), (2840, 45420), (3028, 42600), (3408, 37850), (3550, 36336), (3785, 34080), (4260, 30280), (4542, 28400), (5325, 24224), (5680, 22710), (6056, 21300), (6816, 18925), (7100, 18168), (7570, 17040), (8520, 15140), (9084, 14200), (10650, 12112), (11355, 11360)]