145620020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:178

約数の個数: 192

約数和(自身を含む): 406425600

約数和(自身を除く): 260805580

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 29, 31, 35, 52, 58, 62, 65, 70, 89, 91, 116, 124, 130, 140, 145, 155, 178, 182, 203, 217, 260, 290, 310, 356, 364, 377, 403, 406, 434, 445, 455, 580, 620, 623, 754, 806, 812, 868, 890, 899, 910, 1015, 1085, 1157, 1246, 1508, 1612, 1780, 1798, 1820, 1885, 2015, 2030, 2170, 2314, 2492, 2581, 2639, 2759, 2821, 3115, 3596, 3770, 4030, 4060, 4340, 4495, 4628, 5162, 5278, 5518, 5642, 5785, 6230, 6293, 7540, 8060, 8099, 8990, 10324, 10556, 11036, 11284, 11570, 11687, 12460, 12586, 12905, 13195, 13795, 14105, 16198, 17980, 18067, 19313, 23140, 23374, 25172, 25810, 26390, 27590, 28210, 31465, 32396, 33553, 35867, 36134, 38626, 40495, 46748, 51620, 52780, 55180, 56420, 58435, 62930, 67106, 71734, 72268, 77252, 80011, 80990, 81809, 90335, 96565, 116870, 125860, 134212, 143468, 160022, 161980, 163618, 167765, 179335, 180670, 193130, 233740, 234871, 251069, 320044, 327236, 335530, 358670, 361340, 386260, 400055, 409045, 469742, 502138, 560077, 671060, 717340, 800110, 818090, 939484, 1004276, 1040143, 1120154, 1174355, 1255345, 1600220, 1636180, 2080286, 2240308, 2348710, 2510690, 2800385, 4160572, 4697420, 5021380, 5200715, 5600770, 7281001, 10401430, 11201540, 14562002, 20802860, 29124004, 36405005, 72810010, 145620020]

約数ペア:

[(1, 145620020), (2, 72810010), (4, 36405005), (5, 29124004), (7, 20802860), (10, 14562002), (13, 11201540), (14, 10401430), (20, 7281001), (26, 5600770), (28, 5200715), (29, 5021380), (31, 4697420), (35, 4160572), (52, 2800385), (58, 2510690), (62, 2348710), (65, 2240308), (70, 2080286), (89, 1636180), (91, 1600220), (116, 1255345), (124, 1174355), (130, 1120154), (140, 1040143), (145, 1004276), (155, 939484), (178, 818090), (182, 800110), (203, 717340), (217, 671060), (260, 560077), (290, 502138), (310, 469742), (356, 409045), (364, 400055), (377, 386260), (403, 361340), (406, 358670), (434, 335530), (445, 327236), (455, 320044), (580, 251069), (620, 234871), (623, 233740), (754, 193130), (806, 180670), (812, 179335), (868, 167765), (890, 163618), (899, 161980), (910, 160022), (1015, 143468), (1085, 134212), (1157, 125860), (1246, 116870), (1508, 96565), (1612, 90335), (1780, 81809), (1798, 80990), (1820, 80011), (1885, 77252), (2015, 72268), (2030, 71734), (2170, 67106), (2314, 62930), (2492, 58435), (2581, 56420), (2639, 55180), (2759, 52780), (2821, 51620), (3115, 46748), (3596, 40495), (3770, 38626), (4030, 36134), (4060, 35867), (4340, 33553), (4495, 32396), (4628, 31465), (5162, 28210), (5278, 27590), (5518, 26390), (5642, 25810), (5785, 25172), (6230, 23374), (6293, 23140), (7540, 19313), (8060, 18067), (8099, 17980), (8990, 16198), (10324, 14105), (10556, 13795), (11036, 13195), (11284, 12905), (11570, 12586), (11687, 12460)]