821520

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{163}}^1$

素因数の和:189

約数の個数: 120

約数和(自身を含む): 3172416

約数和(自身を除く): 2350896

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 163, 168, 180, 210, 240, 252, 280, 315, 326, 336, 360, 420, 489, 504, 560, 630, 652, 720, 815, 840, 978, 1008, 1141, 1260, 1304, 1467, 1630, 1680, 1956, 2282, 2445, 2520, 2608, 2934, 3260, 3423, 3912, 4564, 4890, 5040, 5705, 5868, 6520, 6846, 7335, 7824, 9128, 9780, 10269, 11410, 11736, 13040, 13692, 14670, 17115, 18256, 19560, 20538, 22820, 23472, 27384, 29340, 34230, 39120, 41076, 45640, 51345, 54768, 58680, 68460, 82152, 91280, 102690, 117360, 136920, 164304, 205380, 273840, 410760, 821520]

約数ペア:

[(1, 821520), (2, 410760), (3, 273840), (4, 205380), (5, 164304), (6, 136920), (7, 117360), (8, 102690), (9, 91280), (10, 82152), (12, 68460), (14, 58680), (15, 54768), (16, 51345), (18, 45640), (20, 41076), (21, 39120), (24, 34230), (28, 29340), (30, 27384), (35, 23472), (36, 22820), (40, 20538), (42, 19560), (45, 18256), (48, 17115), (56, 14670), (60, 13692), (63, 13040), (70, 11736), (72, 11410), (80, 10269), (84, 9780), (90, 9128), (105, 7824), (112, 7335), (120, 6846), (126, 6520), (140, 5868), (144, 5705), (163, 5040), (168, 4890), (180, 4564), (210, 3912), (240, 3423), (252, 3260), (280, 2934), (315, 2608), (326, 2520), (336, 2445), (360, 2282), (420, 1956), (489, 1680), (504, 1630), (560, 1467), (630, 1304), (652, 1260), (720, 1141), (815, 1008), (840, 978)]