254221380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2267}}^1$

素因数の和:2378

約数の個数: 144

約数和(自身を含む): 891596160

約数和(自身を除く): 637374780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 89, 90, 105, 126, 140, 178, 180, 210, 252, 267, 315, 356, 420, 445, 534, 623, 630, 801, 890, 1068, 1246, 1260, 1335, 1602, 1780, 1869, 2267, 2492, 2670, 3115, 3204, 3738, 4005, 4534, 5340, 5607, 6230, 6801, 7476, 8010, 9068, 9345, 11214, 11335, 12460, 13602, 15869, 16020, 18690, 20403, 22428, 22670, 27204, 28035, 31738, 34005, 37380, 40806, 45340, 47607, 56070, 63476, 68010, 79345, 81612, 95214, 102015, 112140, 136020, 142821, 158690, 190428, 201763, 204030, 238035, 285642, 317380, 403526, 408060, 476070, 571284, 605289, 714105, 807052, 952140, 1008815, 1210578, 1412341, 1428210, 1815867, 2017630, 2421156, 2824682, 2856420, 3026445, 3631734, 4035260, 4237023, 5649364, 6052890, 7061705, 7263468, 8474046, 9079335, 12105780, 12711069, 14123410, 16948092, 18158670, 21185115, 25422138, 28246820, 36317340, 42370230, 50844276, 63555345, 84740460, 127110690, 254221380]

約数ペア:

[(1, 254221380), (2, 127110690), (3, 84740460), (4, 63555345), (5, 50844276), (6, 42370230), (7, 36317340), (9, 28246820), (10, 25422138), (12, 21185115), (14, 18158670), (15, 16948092), (18, 14123410), (20, 12711069), (21, 12105780), (28, 9079335), (30, 8474046), (35, 7263468), (36, 7061705), (42, 6052890), (45, 5649364), (60, 4237023), (63, 4035260), (70, 3631734), (84, 3026445), (89, 2856420), (90, 2824682), (105, 2421156), (126, 2017630), (140, 1815867), (178, 1428210), (180, 1412341), (210, 1210578), (252, 1008815), (267, 952140), (315, 807052), (356, 714105), (420, 605289), (445, 571284), (534, 476070), (623, 408060), (630, 403526), (801, 317380), (890, 285642), (1068, 238035), (1246, 204030), (1260, 201763), (1335, 190428), (1602, 158690), (1780, 142821), (1869, 136020), (2267, 112140), (2492, 102015), (2670, 95214), (3115, 81612), (3204, 79345), (3738, 68010), (4005, 63476), (4534, 56070), (5340, 47607), (5607, 45340), (6230, 40806), (6801, 37380), (7476, 34005), (8010, 31738), (9068, 28035), (9345, 27204), (11214, 22670), (11335, 22428), (12460, 20403), (13602, 18690), (15869, 16020)]