81310560

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2777}}^1$

素因数の和:2856

約数の個数: 96

約数和(自身を含む): 260420832

約数和(自身を除く): 179110272

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 61, 80, 96, 120, 122, 160, 183, 240, 244, 305, 366, 480, 488, 610, 732, 915, 976, 1220, 1464, 1830, 1952, 2440, 2777, 2928, 3660, 4880, 5554, 5856, 7320, 8331, 9760, 11108, 13885, 14640, 16662, 22216, 27770, 29280, 33324, 41655, 44432, 55540, 66648, 83310, 88864, 111080, 133296, 166620, 169397, 222160, 266592, 333240, 338794, 444320, 508191, 666480, 677588, 846985, 1016382, 1332960, 1355176, 1693970, 2032764, 2540955, 2710352, 3387940, 4065528, 5081910, 5420704, 6775880, 8131056, 10163820, 13551760, 16262112, 20327640, 27103520, 40655280, 81310560]

約数ペア:

[(1, 81310560), (2, 40655280), (3, 27103520), (4, 20327640), (5, 16262112), (6, 13551760), (8, 10163820), (10, 8131056), (12, 6775880), (15, 5420704), (16, 5081910), (20, 4065528), (24, 3387940), (30, 2710352), (32, 2540955), (40, 2032764), (48, 1693970), (60, 1355176), (61, 1332960), (80, 1016382), (96, 846985), (120, 677588), (122, 666480), (160, 508191), (183, 444320), (240, 338794), (244, 333240), (305, 266592), (366, 222160), (480, 169397), (488, 166620), (610, 133296), (732, 111080), (915, 88864), (976, 83310), (1220, 66648), (1464, 55540), (1830, 44432), (1952, 41655), (2440, 33324), (2777, 29280), (2928, 27770), (3660, 22216), (4880, 16662), (5554, 14640), (5856, 13885), (7320, 11108), (8331, 9760)]