243756760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1$

素因数の和:365

約数の個数: 128

約数和(自身を含む): 625968000

約数和(自身を除く): 382211240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 89, 92, 104, 115, 130, 178, 184, 229, 230, 260, 299, 356, 445, 458, 460, 520, 598, 712, 890, 916, 920, 1145, 1157, 1196, 1495, 1780, 1832, 2047, 2290, 2314, 2392, 2977, 2990, 3560, 4094, 4580, 4628, 5267, 5785, 5954, 5980, 8188, 9160, 9256, 10235, 10534, 11570, 11908, 11960, 14885, 16376, 20381, 20470, 21068, 23140, 23816, 26335, 26611, 29770, 40762, 40940, 42136, 46280, 52670, 53222, 59540, 68471, 81524, 81880, 101905, 105340, 106444, 119080, 133055, 136942, 163048, 203810, 210680, 212888, 264953, 266110, 273884, 342355, 407620, 468763, 529906, 532220, 547768, 684710, 815240, 937526, 1059812, 1064440, 1324765, 1369420, 1875052, 2119624, 2343815, 2649530, 2738840, 3750104, 4687630, 5299060, 6093919, 9375260, 10598120, 12187838, 18750520, 24375676, 30469595, 48751352, 60939190, 121878380, 243756760]

約数ペア:

[(1, 243756760), (2, 121878380), (4, 60939190), (5, 48751352), (8, 30469595), (10, 24375676), (13, 18750520), (20, 12187838), (23, 10598120), (26, 9375260), (40, 6093919), (46, 5299060), (52, 4687630), (65, 3750104), (89, 2738840), (92, 2649530), (104, 2343815), (115, 2119624), (130, 1875052), (178, 1369420), (184, 1324765), (229, 1064440), (230, 1059812), (260, 937526), (299, 815240), (356, 684710), (445, 547768), (458, 532220), (460, 529906), (520, 468763), (598, 407620), (712, 342355), (890, 273884), (916, 266110), (920, 264953), (1145, 212888), (1157, 210680), (1196, 203810), (1495, 163048), (1780, 136942), (1832, 133055), (2047, 119080), (2290, 106444), (2314, 105340), (2392, 101905), (2977, 81880), (2990, 81524), (3560, 68471), (4094, 59540), (4580, 53222), (4628, 52670), (5267, 46280), (5785, 42136), (5954, 40940), (5980, 40762), (8188, 29770), (9160, 26611), (9256, 26335), (10235, 23816), (10534, 23140), (11570, 21068), (11908, 20470), (11960, 20381), (14885, 16376)]