2180400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:123

約数の個数: 120

約数和(自身を含む): 7380480

約数和(自身を除く): 5200080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 25, 30, 40, 46, 48, 50, 60, 69, 75, 79, 80, 92, 100, 115, 120, 138, 150, 158, 184, 200, 230, 237, 240, 276, 300, 316, 345, 368, 395, 400, 460, 474, 552, 575, 600, 632, 690, 790, 920, 948, 1104, 1150, 1185, 1200, 1264, 1380, 1580, 1725, 1817, 1840, 1896, 1975, 2300, 2370, 2760, 3160, 3450, 3634, 3792, 3950, 4600, 4740, 5451, 5520, 5925, 6320, 6900, 7268, 7900, 9085, 9200, 9480, 10902, 11850, 13800, 14536, 15800, 18170, 18960, 21804, 23700, 27255, 27600, 29072, 31600, 36340, 43608, 45425, 47400, 54510, 72680, 87216, 90850, 94800, 109020, 136275, 145360, 181700, 218040, 272550, 363400, 436080, 545100, 726800, 1090200, 2180400]

約数ペア:

[(1, 2180400), (2, 1090200), (3, 726800), (4, 545100), (5, 436080), (6, 363400), (8, 272550), (10, 218040), (12, 181700), (15, 145360), (16, 136275), (20, 109020), (23, 94800), (24, 90850), (25, 87216), (30, 72680), (40, 54510), (46, 47400), (48, 45425), (50, 43608), (60, 36340), (69, 31600), (75, 29072), (79, 27600), (80, 27255), (92, 23700), (100, 21804), (115, 18960), (120, 18170), (138, 15800), (150, 14536), (158, 13800), (184, 11850), (200, 10902), (230, 9480), (237, 9200), (240, 9085), (276, 7900), (300, 7268), (316, 6900), (345, 6320), (368, 5925), (395, 5520), (400, 5451), (460, 4740), (474, 4600), (552, 3950), (575, 3792), (600, 3634), (632, 3450), (690, 3160), (790, 2760), (920, 2370), (948, 2300), (1104, 1975), (1150, 1896), (1185, 1840), (1200, 1817), (1264, 1725), (1380, 1580)]