127421600

素因数分解:

$2^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:223

約数の個数: 144

約数和(自身を含む): 334666080

約数和(自身を除く): 207244480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 76, 80, 83, 95, 100, 101, 152, 160, 166, 190, 200, 202, 304, 332, 380, 400, 404, 415, 475, 505, 608, 664, 760, 800, 808, 830, 950, 1010, 1328, 1520, 1577, 1616, 1660, 1900, 1919, 2020, 2075, 2525, 2656, 3040, 3154, 3232, 3320, 3800, 3838, 4040, 4150, 5050, 6308, 6640, 7600, 7676, 7885, 8080, 8300, 8383, 9595, 10100, 12616, 13280, 15200, 15352, 15770, 16160, 16600, 16766, 19190, 20200, 25232, 30704, 31540, 33200, 33532, 38380, 39425, 40400, 41915, 47975, 50464, 61408, 63080, 66400, 67064, 76760, 78850, 80800, 83830, 95950, 126160, 134128, 153520, 157700, 159277, 167660, 191900, 209575, 252320, 268256, 307040, 315400, 318554, 335320, 383800, 419150, 630800, 637108, 670640, 767600, 796385, 838300, 1261600, 1274216, 1341280, 1535200, 1592770, 1676600, 2548432, 3185540, 3353200, 3981925, 5096864, 6371080, 6706400, 7963850, 12742160, 15927700, 25484320, 31855400, 63710800, 127421600]

約数ペア:

[(1, 127421600), (2, 63710800), (4, 31855400), (5, 25484320), (8, 15927700), (10, 12742160), (16, 7963850), (19, 6706400), (20, 6371080), (25, 5096864), (32, 3981925), (38, 3353200), (40, 3185540), (50, 2548432), (76, 1676600), (80, 1592770), (83, 1535200), (95, 1341280), (100, 1274216), (101, 1261600), (152, 838300), (160, 796385), (166, 767600), (190, 670640), (200, 637108), (202, 630800), (304, 419150), (332, 383800), (380, 335320), (400, 318554), (404, 315400), (415, 307040), (475, 268256), (505, 252320), (608, 209575), (664, 191900), (760, 167660), (800, 159277), (808, 157700), (830, 153520), (950, 134128), (1010, 126160), (1328, 95950), (1520, 83830), (1577, 80800), (1616, 78850), (1660, 76760), (1900, 67064), (1919, 66400), (2020, 63080), (2075, 61408), (2525, 50464), (2656, 47975), (3040, 41915), (3154, 40400), (3232, 39425), (3320, 38380), (3800, 33532), (3838, 33200), (4040, 31540), (4150, 30704), (5050, 25232), (6308, 20200), (6640, 19190), (7600, 16766), (7676, 16600), (7885, 16160), (8080, 15770), (8300, 15352), (8383, 15200), (9595, 13280), (10100, 12616)]