215378080

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{251}}^1$

素因数の和:470

約数の個数: 96

約数和(自身を含む): 530385408

約数和(自身を除く): 315007328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 173, 248, 251, 310, 346, 496, 502, 620, 692, 865, 992, 1004, 1240, 1255, 1384, 1730, 2008, 2480, 2510, 2768, 3460, 4016, 4960, 5020, 5363, 5536, 6920, 7781, 8032, 10040, 10726, 13840, 15562, 20080, 21452, 26815, 27680, 31124, 38905, 40160, 42904, 43423, 53630, 62248, 77810, 85808, 86846, 107260, 124496, 155620, 171616, 173692, 214520, 217115, 248992, 311240, 347384, 429040, 434230, 622480, 694768, 858080, 868460, 1244960, 1346113, 1389536, 1736920, 2692226, 3473840, 5384452, 6730565, 6947680, 10768904, 13461130, 21537808, 26922260, 43075616, 53844520, 107689040, 215378080]

約数ペア:

[(1, 215378080), (2, 107689040), (4, 53844520), (5, 43075616), (8, 26922260), (10, 21537808), (16, 13461130), (20, 10768904), (31, 6947680), (32, 6730565), (40, 5384452), (62, 3473840), (80, 2692226), (124, 1736920), (155, 1389536), (160, 1346113), (173, 1244960), (248, 868460), (251, 858080), (310, 694768), (346, 622480), (496, 434230), (502, 429040), (620, 347384), (692, 311240), (865, 248992), (992, 217115), (1004, 214520), (1240, 173692), (1255, 171616), (1384, 155620), (1730, 124496), (2008, 107260), (2480, 86846), (2510, 85808), (2768, 77810), (3460, 62248), (4016, 53630), (4960, 43423), (5020, 42904), (5363, 40160), (5536, 38905), (6920, 31124), (7781, 27680), (8032, 26815), (10040, 21452), (10726, 20080), (13840, 15562)]