278689920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{3923}}^1$

素因数の和:3982

約数の個数: 128

約数和(自身を含む): 912565440

約数和(自身を除く): 633875520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 37, 40, 48, 60, 64, 74, 80, 96, 111, 120, 128, 148, 160, 185, 192, 222, 240, 296, 320, 370, 384, 444, 480, 555, 592, 640, 740, 888, 960, 1110, 1184, 1480, 1776, 1920, 2220, 2368, 2960, 3552, 3923, 4440, 4736, 5920, 7104, 7846, 8880, 11769, 11840, 14208, 15692, 17760, 19615, 23538, 23680, 31384, 35520, 39230, 47076, 58845, 62768, 71040, 78460, 94152, 117690, 125536, 145151, 156920, 188304, 235380, 251072, 290302, 313840, 376608, 435453, 470760, 502144, 580604, 627680, 725755, 753216, 870906, 941520, 1161208, 1255360, 1451510, 1506432, 1741812, 1883040, 2177265, 2322416, 2510720, 2903020, 3483624, 3766080, 4354530, 4644832, 5806040, 6967248, 7532160, 8709060, 9289664, 11612080, 13934496, 17418120, 18579328, 23224160, 27868992, 34836240, 46448320, 55737984, 69672480, 92896640, 139344960, 278689920]

約数ペア:

[(1, 278689920), (2, 139344960), (3, 92896640), (4, 69672480), (5, 55737984), (6, 46448320), (8, 34836240), (10, 27868992), (12, 23224160), (15, 18579328), (16, 17418120), (20, 13934496), (24, 11612080), (30, 9289664), (32, 8709060), (37, 7532160), (40, 6967248), (48, 5806040), (60, 4644832), (64, 4354530), (74, 3766080), (80, 3483624), (96, 2903020), (111, 2510720), (120, 2322416), (128, 2177265), (148, 1883040), (160, 1741812), (185, 1506432), (192, 1451510), (222, 1255360), (240, 1161208), (296, 941520), (320, 870906), (370, 753216), (384, 725755), (444, 627680), (480, 580604), (555, 502144), (592, 470760), (640, 435453), (740, 376608), (888, 313840), (960, 290302), (1110, 251072), (1184, 235380), (1480, 188304), (1776, 156920), (1920, 145151), (2220, 125536), (2368, 117690), (2960, 94152), (3552, 78460), (3923, 71040), (4440, 62768), (4736, 58845), (5920, 47076), (7104, 39230), (7846, 35520), (8880, 31384), (11769, 23680), (11840, 23538), (14208, 19615), (15692, 17760)]