63840760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{503}}^1$

素因数の和:700

約数の個数: 64

約数和(自身を含む): 152409600

約数和(自身を除く): 88568840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 167, 190, 334, 380, 503, 668, 760, 835, 1006, 1336, 1670, 2012, 2515, 3173, 3340, 4024, 5030, 6346, 6680, 9557, 10060, 12692, 15865, 19114, 20120, 25384, 31730, 38228, 47785, 63460, 76456, 84001, 95570, 126920, 168002, 191140, 336004, 382280, 420005, 672008, 840010, 1596019, 1680020, 3192038, 3360040, 6384076, 7980095, 12768152, 15960190, 31920380, 63840760]

約数ペア:

[(1, 63840760), (2, 31920380), (4, 15960190), (5, 12768152), (8, 7980095), (10, 6384076), (19, 3360040), (20, 3192038), (38, 1680020), (40, 1596019), (76, 840010), (95, 672008), (152, 420005), (167, 382280), (190, 336004), (334, 191140), (380, 168002), (503, 126920), (668, 95570), (760, 84001), (835, 76456), (1006, 63460), (1336, 47785), (1670, 38228), (2012, 31730), (2515, 25384), (3173, 20120), (3340, 19114), (4024, 15865), (5030, 12692), (6346, 10060), (6680, 9557)]