18695280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1277}}^1$

素因数の和:1354

約数の個数: 80

約数和(自身を含む): 58951584

約数和(自身を除く): 40256304

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, 1277, 1464, 1830, 2440, 2554, 2928, 3660, 3831, 4880, 5108, 6385, 7320, 7662, 10216, 12770, 14640, 15324, 19155, 20432, 25540, 30648, 38310, 51080, 61296, 76620, 77897, 102160, 153240, 155794, 233691, 306480, 311588, 389485, 467382, 623176, 778970, 934764, 1168455, 1246352, 1557940, 1869528, 2336910, 3115880, 3739056, 4673820, 6231760, 9347640, 18695280]

約数ペア:

[(1, 18695280), (2, 9347640), (3, 6231760), (4, 4673820), (5, 3739056), (6, 3115880), (8, 2336910), (10, 1869528), (12, 1557940), (15, 1246352), (16, 1168455), (20, 934764), (24, 778970), (30, 623176), (40, 467382), (48, 389485), (60, 311588), (61, 306480), (80, 233691), (120, 155794), (122, 153240), (183, 102160), (240, 77897), (244, 76620), (305, 61296), (366, 51080), (488, 38310), (610, 30648), (732, 25540), (915, 20432), (976, 19155), (1220, 15324), (1277, 14640), (1464, 12770), (1830, 10216), (2440, 7662), (2554, 7320), (2928, 6385), (3660, 5108), (3831, 4880)]