2190720

素因数分解:

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

素因数の和:192

約数の個数: 128

約数和(自身を含む): 8029440

約数和(自身を除く): 5838720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 163, 168, 192, 210, 224, 240, 280, 320, 326, 336, 384, 420, 448, 480, 489, 560, 640, 652, 672, 815, 840, 896, 960, 978, 1120, 1141, 1304, 1344, 1630, 1680, 1920, 1956, 2240, 2282, 2445, 2608, 2688, 3260, 3360, 3423, 3912, 4480, 4564, 4890, 5216, 5705, 6520, 6720, 6846, 7824, 9128, 9780, 10432, 11410, 13040, 13440, 13692, 15648, 17115, 18256, 19560, 20864, 22820, 26080, 27384, 31296, 34230, 36512, 39120, 45640, 52160, 54768, 62592, 68460, 73024, 78240, 91280, 104320, 109536, 136920, 146048, 156480, 182560, 219072, 273840, 312960, 365120, 438144, 547680, 730240, 1095360, 2190720]

約数ペア:

[(1, 2190720), (2, 1095360), (3, 730240), (4, 547680), (5, 438144), (6, 365120), (7, 312960), (8, 273840), (10, 219072), (12, 182560), (14, 156480), (15, 146048), (16, 136920), (20, 109536), (21, 104320), (24, 91280), (28, 78240), (30, 73024), (32, 68460), (35, 62592), (40, 54768), (42, 52160), (48, 45640), (56, 39120), (60, 36512), (64, 34230), (70, 31296), (80, 27384), (84, 26080), (96, 22820), (105, 20864), (112, 19560), (120, 18256), (128, 17115), (140, 15648), (160, 13692), (163, 13440), (168, 13040), (192, 11410), (210, 10432), (224, 9780), (240, 9128), (280, 7824), (320, 6846), (326, 6720), (336, 6520), (384, 5705), (420, 5216), (448, 4890), (480, 4564), (489, 4480), (560, 3912), (640, 3423), (652, 3360), (672, 3260), (815, 2688), (840, 2608), (896, 2445), (960, 2282), (978, 2240), (1120, 1956), (1141, 1920), (1304, 1680), (1344, 1630)]