1631218920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1\times {\mathrm{823}}^1$

素因数の和:1119

約数の個数: 128

約数和(自身を含む): 4983552000

約数和(自身を除く): 3352333080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 83, 120, 166, 199, 249, 332, 398, 415, 498, 597, 664, 796, 823, 830, 995, 996, 1194, 1245, 1592, 1646, 1660, 1990, 1992, 2388, 2469, 2490, 2985, 3292, 3320, 3980, 4115, 4776, 4938, 4980, 5970, 6584, 7960, 8230, 9876, 9960, 11940, 12345, 16460, 16517, 19752, 23880, 24690, 32920, 33034, 49380, 49551, 66068, 68309, 82585, 98760, 99102, 132136, 136618, 163777, 165170, 198204, 204927, 247755, 273236, 327554, 330340, 341545, 396408, 409854, 491331, 495510, 546472, 655108, 660680, 683090, 818885, 819708, 982662, 991020, 1024635, 1310216, 1366180, 1637770, 1639416, 1965324, 1982040, 2049270, 2456655, 2732360, 3275540, 3930648, 4098540, 4913310, 6551080, 8197080, 9826620, 13593491, 19653240, 27186982, 40780473, 54373964, 67967455, 81560946, 108747928, 135934910, 163121892, 203902365, 271869820, 326243784, 407804730, 543739640, 815609460, 1631218920]

約数ペア:

[(1, 1631218920), (2, 815609460), (3, 543739640), (4, 407804730), (5, 326243784), (6, 271869820), (8, 203902365), (10, 163121892), (12, 135934910), (15, 108747928), (20, 81560946), (24, 67967455), (30, 54373964), (40, 40780473), (60, 27186982), (83, 19653240), (120, 13593491), (166, 9826620), (199, 8197080), (249, 6551080), (332, 4913310), (398, 4098540), (415, 3930648), (498, 3275540), (597, 2732360), (664, 2456655), (796, 2049270), (823, 1982040), (830, 1965324), (995, 1639416), (996, 1637770), (1194, 1366180), (1245, 1310216), (1592, 1024635), (1646, 991020), (1660, 982662), (1990, 819708), (1992, 818885), (2388, 683090), (2469, 660680), (2490, 655108), (2985, 546472), (3292, 495510), (3320, 491331), (3980, 409854), (4115, 396408), (4776, 341545), (4938, 330340), (4980, 327554), (5970, 273236), (6584, 247755), (7960, 204927), (8230, 198204), (9876, 165170), (9960, 163777), (11940, 136618), (12345, 132136), (16460, 99102), (16517, 98760), (19752, 82585), (23880, 68309), (24690, 66068), (32920, 49551), (33034, 49380)]