78528900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{599}}^1$

素因数の和:658

約数の個数: 144

約数和(自身を含む): 249984000

約数和(自身を除く): 171455100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 23, 25, 30, 38, 46, 50, 57, 60, 69, 75, 76, 92, 95, 100, 114, 115, 138, 150, 190, 228, 230, 276, 285, 300, 345, 380, 437, 460, 475, 570, 575, 599, 690, 874, 950, 1140, 1150, 1198, 1311, 1380, 1425, 1725, 1748, 1797, 1900, 2185, 2300, 2396, 2622, 2850, 2995, 3450, 3594, 4370, 5244, 5700, 5990, 6555, 6900, 7188, 8740, 8985, 10925, 11381, 11980, 13110, 13777, 14975, 17970, 21850, 22762, 26220, 27554, 29950, 32775, 34143, 35940, 41331, 43700, 44925, 45524, 55108, 56905, 59900, 65550, 68286, 68885, 82662, 89850, 113810, 131100, 136572, 137770, 165324, 170715, 179700, 206655, 227620, 261763, 275540, 284525, 341430, 344425, 413310, 523526, 569050, 682860, 688850, 785289, 826620, 853575, 1033275, 1047052, 1138100, 1308815, 1377700, 1570578, 1707150, 2066550, 2617630, 3141156, 3414300, 3926445, 4133100, 5235260, 6544075, 7852890, 13088150, 15705780, 19632225, 26176300, 39264450, 78528900]

約数ペア:

[(1, 78528900), (2, 39264450), (3, 26176300), (4, 19632225), (5, 15705780), (6, 13088150), (10, 7852890), (12, 6544075), (15, 5235260), (19, 4133100), (20, 3926445), (23, 3414300), (25, 3141156), (30, 2617630), (38, 2066550), (46, 1707150), (50, 1570578), (57, 1377700), (60, 1308815), (69, 1138100), (75, 1047052), (76, 1033275), (92, 853575), (95, 826620), (100, 785289), (114, 688850), (115, 682860), (138, 569050), (150, 523526), (190, 413310), (228, 344425), (230, 341430), (276, 284525), (285, 275540), (300, 261763), (345, 227620), (380, 206655), (437, 179700), (460, 170715), (475, 165324), (570, 137770), (575, 136572), (599, 131100), (690, 113810), (874, 89850), (950, 82662), (1140, 68885), (1150, 68286), (1198, 65550), (1311, 59900), (1380, 56905), (1425, 55108), (1725, 45524), (1748, 44925), (1797, 43700), (1900, 41331), (2185, 35940), (2300, 34143), (2396, 32775), (2622, 29950), (2850, 27554), (2995, 26220), (3450, 22762), (3594, 21850), (4370, 17970), (5244, 14975), (5700, 13777), (5990, 13110), (6555, 11980), (6900, 11381), (7188, 10925), (8740, 8985)]