40655280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2777}}^1$

素因数の和:2854

約数の個数: 80

約数和(自身を含む): 128143584

約数和(自身を除く): 87488304

約数列:

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

約数ペア:

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