72810010

素因数分解:

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

素因数の和:176

約数の個数: 128

約数和(自身を含む): 174182400

約数和(自身を除く): 101372390

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 29, 31, 35, 58, 62, 65, 70, 89, 91, 130, 145, 155, 178, 182, 203, 217, 290, 310, 377, 403, 406, 434, 445, 455, 623, 754, 806, 890, 899, 910, 1015, 1085, 1157, 1246, 1798, 1885, 2015, 2030, 2170, 2314, 2581, 2639, 2759, 2821, 3115, 3770, 4030, 4495, 5162, 5278, 5518, 5642, 5785, 6230, 6293, 8099, 8990, 11570, 11687, 12586, 12905, 13195, 13795, 14105, 16198, 18067, 19313, 23374, 25810, 26390, 27590, 28210, 31465, 33553, 35867, 36134, 38626, 40495, 58435, 62930, 67106, 71734, 80011, 80990, 81809, 90335, 96565, 116870, 160022, 163618, 167765, 179335, 180670, 193130, 234871, 251069, 335530, 358670, 400055, 409045, 469742, 502138, 560077, 800110, 818090, 1040143, 1120154, 1174355, 1255345, 2080286, 2348710, 2510690, 2800385, 5200715, 5600770, 7281001, 10401430, 14562002, 36405005, 72810010]

約数ペア:

[(1, 72810010), (2, 36405005), (5, 14562002), (7, 10401430), (10, 7281001), (13, 5600770), (14, 5200715), (26, 2800385), (29, 2510690), (31, 2348710), (35, 2080286), (58, 1255345), (62, 1174355), (65, 1120154), (70, 1040143), (89, 818090), (91, 800110), (130, 560077), (145, 502138), (155, 469742), (178, 409045), (182, 400055), (203, 358670), (217, 335530), (290, 251069), (310, 234871), (377, 193130), (403, 180670), (406, 179335), (434, 167765), (445, 163618), (455, 160022), (623, 116870), (754, 96565), (806, 90335), (890, 81809), (899, 80990), (910, 80011), (1015, 71734), (1085, 67106), (1157, 62930), (1246, 58435), (1798, 40495), (1885, 38626), (2015, 36134), (2030, 35867), (2170, 33553), (2314, 31465), (2581, 28210), (2639, 27590), (2759, 26390), (2821, 25810), (3115, 23374), (3770, 19313), (4030, 18067), (4495, 16198), (5162, 14105), (5278, 13795), (5518, 13195), (5642, 12905), (5785, 12586), (6230, 11687), (6293, 11570), (8099, 8990)]