263932760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2339}}^1$

素因数の和:2401

約数の個数: 128

約数和(自身を含む): 754790400

約数和(自身を除く): 490857640

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 91, 104, 124, 130, 140, 155, 182, 217, 248, 260, 280, 310, 364, 403, 434, 455, 520, 620, 728, 806, 868, 910, 1085, 1240, 1612, 1736, 1820, 2015, 2170, 2339, 2821, 3224, 3640, 4030, 4340, 4678, 5642, 8060, 8680, 9356, 11284, 11695, 14105, 16120, 16373, 18712, 22568, 23390, 28210, 30407, 32746, 46780, 56420, 60814, 65492, 72509, 81865, 93560, 112840, 121628, 130984, 145018, 152035, 163730, 212849, 243256, 290036, 304070, 327460, 362545, 425698, 507563, 580072, 608140, 654920, 725090, 851396, 942617, 1015126, 1064245, 1216280, 1450180, 1702792, 1885234, 2030252, 2128490, 2537815, 2900360, 3770468, 4060504, 4256980, 4713085, 5075630, 6598319, 7540936, 8513960, 9426170, 10151260, 13196638, 18852340, 20302520, 26393276, 32991595, 37704680, 52786552, 65983190, 131966380, 263932760]

約数ペア:

[(1, 263932760), (2, 131966380), (4, 65983190), (5, 52786552), (7, 37704680), (8, 32991595), (10, 26393276), (13, 20302520), (14, 18852340), (20, 13196638), (26, 10151260), (28, 9426170), (31, 8513960), (35, 7540936), (40, 6598319), (52, 5075630), (56, 4713085), (62, 4256980), (65, 4060504), (70, 3770468), (91, 2900360), (104, 2537815), (124, 2128490), (130, 2030252), (140, 1885234), (155, 1702792), (182, 1450180), (217, 1216280), (248, 1064245), (260, 1015126), (280, 942617), (310, 851396), (364, 725090), (403, 654920), (434, 608140), (455, 580072), (520, 507563), (620, 425698), (728, 362545), (806, 327460), (868, 304070), (910, 290036), (1085, 243256), (1240, 212849), (1612, 163730), (1736, 152035), (1820, 145018), (2015, 130984), (2170, 121628), (2339, 112840), (2821, 93560), (3224, 81865), (3640, 72509), (4030, 65492), (4340, 60814), (4678, 56420), (5642, 46780), (8060, 32746), (8680, 30407), (9356, 28210), (11284, 23390), (11695, 22568), (14105, 18712), (16120, 16373)]