4381440

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{163}}^1$

素因数の和:194

約数の個数: 144

約数和(自身を含む): 16090368

約数和(自身を除く): 11708928

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, 256, 280, 320, 326, 336, 384, 420, 448, 480, 489, 560, 640, 652, 672, 768, 815, 840, 896, 960, 978, 1120, 1141, 1280, 1304, 1344, 1630, 1680, 1792, 1920, 1956, 2240, 2282, 2445, 2608, 2688, 3260, 3360, 3423, 3840, 3912, 4480, 4564, 4890, 5216, 5376, 5705, 6520, 6720, 6846, 7824, 8960, 9128, 9780, 10432, 11410, 13040, 13440, 13692, 15648, 17115, 18256, 19560, 20864, 22820, 26080, 26880, 27384, 31296, 34230, 36512, 39120, 41728, 45640, 52160, 54768, 62592, 68460, 73024, 78240, 91280, 104320, 109536, 125184, 136920, 146048, 156480, 182560, 208640, 219072, 273840, 292096, 312960, 365120, 438144, 547680, 625920, 730240, 876288, 1095360, 1460480, 2190720, 4381440]

約数ペア:

[(1, 4381440), (2, 2190720), (3, 1460480), (4, 1095360), (5, 876288), (6, 730240), (7, 625920), (8, 547680), (10, 438144), (12, 365120), (14, 312960), (15, 292096), (16, 273840), (20, 219072), (21, 208640), (24, 182560), (28, 156480), (30, 146048), (32, 136920), (35, 125184), (40, 109536), (42, 104320), (48, 91280), (56, 78240), (60, 73024), (64, 68460), (70, 62592), (80, 54768), (84, 52160), (96, 45640), (105, 41728), (112, 39120), (120, 36512), (128, 34230), (140, 31296), (160, 27384), (163, 26880), (168, 26080), (192, 22820), (210, 20864), (224, 19560), (240, 18256), (256, 17115), (280, 15648), (320, 13692), (326, 13440), (336, 13040), (384, 11410), (420, 10432), (448, 9780), (480, 9128), (489, 8960), (560, 7824), (640, 6846), (652, 6720), (672, 6520), (768, 5705), (815, 5376), (840, 5216), (896, 4890), (960, 4564), (978, 4480), (1120, 3912), (1141, 3840), (1280, 3423), (1304, 3360), (1344, 3260), (1630, 2688), (1680, 2608), (1792, 2445), (1920, 2282), (1956, 2240)]