85165600

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1$

素因数の和:483

約数の個数: 144

約数和(自身を含む): 236234880

約数和(自身を除く): 151069280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 25, 26, 32, 38, 40, 50, 52, 65, 76, 80, 95, 100, 104, 130, 152, 160, 190, 200, 208, 247, 260, 304, 325, 380, 400, 416, 431, 475, 494, 520, 608, 650, 760, 800, 862, 950, 988, 1040, 1235, 1300, 1520, 1724, 1900, 1976, 2080, 2155, 2470, 2600, 3040, 3448, 3800, 3952, 4310, 4940, 5200, 5603, 6175, 6896, 7600, 7904, 8189, 8620, 9880, 10400, 10775, 11206, 12350, 13792, 15200, 16378, 17240, 19760, 21550, 22412, 24700, 28015, 32756, 34480, 39520, 40945, 43100, 44824, 49400, 56030, 65512, 68960, 81890, 86200, 89648, 98800, 106457, 112060, 131024, 140075, 163780, 172400, 179296, 197600, 204725, 212914, 224120, 262048, 280150, 327560, 344800, 409450, 425828, 448240, 532285, 560300, 655120, 818900, 851656, 896480, 1064570, 1120600, 1310240, 1637800, 1703312, 2129140, 2241200, 2661425, 3275600, 3406624, 4258280, 4482400, 5322850, 6551200, 8516560, 10645700, 17033120, 21291400, 42582800, 85165600]

約数ペア:

[(1, 85165600), (2, 42582800), (4, 21291400), (5, 17033120), (8, 10645700), (10, 8516560), (13, 6551200), (16, 5322850), (19, 4482400), (20, 4258280), (25, 3406624), (26, 3275600), (32, 2661425), (38, 2241200), (40, 2129140), (50, 1703312), (52, 1637800), (65, 1310240), (76, 1120600), (80, 1064570), (95, 896480), (100, 851656), (104, 818900), (130, 655120), (152, 560300), (160, 532285), (190, 448240), (200, 425828), (208, 409450), (247, 344800), (260, 327560), (304, 280150), (325, 262048), (380, 224120), (400, 212914), (416, 204725), (431, 197600), (475, 179296), (494, 172400), (520, 163780), (608, 140075), (650, 131024), (760, 112060), (800, 106457), (862, 98800), (950, 89648), (988, 86200), (1040, 81890), (1235, 68960), (1300, 65512), (1520, 56030), (1724, 49400), (1900, 44824), (1976, 43100), (2080, 40945), (2155, 39520), (2470, 34480), (2600, 32756), (3040, 28015), (3448, 24700), (3800, 22412), (3952, 21550), (4310, 19760), (4940, 17240), (5200, 16378), (5603, 15200), (6175, 13792), (6896, 12350), (7600, 11206), (7904, 10775), (8189, 10400), (8620, 9880)]