51481920

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:237

約数の個数: 224

約数和(自身を含む): 191950848

約数和(自身を除く): 140468928

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, 47, 48, 56, 60, 64, 70, 80, 84, 94, 96, 105, 112, 120, 140, 141, 160, 163, 168, 188, 192, 210, 224, 235, 240, 280, 282, 320, 326, 329, 336, 376, 420, 448, 470, 480, 489, 560, 564, 652, 658, 672, 705, 752, 815, 840, 940, 960, 978, 987, 1120, 1128, 1141, 1304, 1316, 1344, 1410, 1504, 1630, 1645, 1680, 1880, 1956, 1974, 2240, 2256, 2282, 2445, 2608, 2632, 2820, 3008, 3260, 3290, 3360, 3423, 3760, 3912, 3948, 4512, 4564, 4890, 4935, 5216, 5264, 5640, 5705, 6520, 6580, 6720, 6846, 7520, 7661, 7824, 7896, 9024, 9128, 9780, 9870, 10432, 10528, 11280, 11410, 13040, 13160, 13692, 15040, 15322, 15648, 15792, 17115, 18256, 19560, 19740, 21056, 22560, 22820, 22983, 26080, 26320, 27384, 30644, 31296, 31584, 34230, 36512, 38305, 39120, 39480, 45120, 45640, 45966, 52160, 52640, 53627, 54768, 61288, 63168, 68460, 73024, 76610, 78240, 78960, 91280, 91932, 105280, 107254, 109536, 114915, 122576, 136920, 153220, 156480, 157920, 160881, 182560, 183864, 214508, 219072, 229830, 245152, 268135, 273840, 306440, 315840, 321762, 365120, 367728, 429016, 459660, 490304, 536270, 547680, 612880, 643524, 735456, 804405, 858032, 919320, 1072540, 1095360, 1225760, 1287048, 1470912, 1608810, 1716064, 1838640, 2145080, 2451520, 2574096, 3217620, 3432128, 3677280, 4290160, 5148192, 6435240, 7354560, 8580320, 10296384, 12870480, 17160640, 25740960, 51481920]

約数ペア:

[(1, 51481920), (2, 25740960), (3, 17160640), (4, 12870480), (5, 10296384), (6, 8580320), (7, 7354560), (8, 6435240), (10, 5148192), (12, 4290160), (14, 3677280), (15, 3432128), (16, 3217620), (20, 2574096), (21, 2451520), (24, 2145080), (28, 1838640), (30, 1716064), (32, 1608810), (35, 1470912), (40, 1287048), (42, 1225760), (47, 1095360), (48, 1072540), (56, 919320), (60, 858032), (64, 804405), (70, 735456), (80, 643524), (84, 612880), (94, 547680), (96, 536270), (105, 490304), (112, 459660), (120, 429016), (140, 367728), (141, 365120), (160, 321762), (163, 315840), (168, 306440), (188, 273840), (192, 268135), (210, 245152), (224, 229830), (235, 219072), (240, 214508), (280, 183864), (282, 182560), (320, 160881), (326, 157920), (329, 156480), (336, 153220), (376, 136920), (420, 122576), (448, 114915), (470, 109536), (480, 107254), (489, 105280), (560, 91932), (564, 91280), (652, 78960), (658, 78240), (672, 76610), (705, 73024), (752, 68460), (815, 63168), (840, 61288), (940, 54768), (960, 53627), (978, 52640), (987, 52160), (1120, 45966), (1128, 45640), (1141, 45120), (1304, 39480), (1316, 39120), (1344, 38305), (1410, 36512), (1504, 34230), (1630, 31584), (1645, 31296), (1680, 30644), (1880, 27384), (1956, 26320), (1974, 26080), (2240, 22983), (2256, 22820), (2282, 22560), (2445, 21056), (2608, 19740), (2632, 19560), (2820, 18256), (3008, 17115), (3260, 15792), (3290, 15648), (3360, 15322), (3423, 15040), (3760, 13692), (3912, 13160), (3948, 13040), (4512, 11410), (4564, 11280), (4890, 10528), (4935, 10432), (5216, 9870), (5264, 9780), (5640, 9128), (5705, 9024), (6520, 7896), (6580, 7824), (6720, 7661), (6846, 7520)]