30278326840

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1\times {\mathrm{853}}^1$

素因数の和:1229

約数の個数: 128

約数和(自身を含む): 70834176000

約数和(自身を除く): 40555849160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 79, 94, 158, 188, 235, 239, 316, 376, 395, 470, 478, 632, 790, 853, 940, 956, 1195, 1580, 1706, 1880, 1912, 2390, 3160, 3412, 3713, 4265, 4780, 6824, 7426, 8530, 9560, 11233, 14852, 17060, 18565, 18881, 22466, 29704, 34120, 37130, 37762, 40091, 44932, 56165, 67387, 74260, 75524, 80182, 89864, 94405, 112330, 134774, 148520, 151048, 160364, 188810, 200455, 203867, 224660, 269548, 320728, 336935, 377620, 400910, 407734, 449320, 539096, 673870, 755240, 801820, 815468, 887407, 1019335, 1347740, 1603640, 1630936, 1774814, 2038670, 2695480, 3167189, 3549628, 4077340, 4437035, 6334378, 7099256, 8154680, 8874070, 9581749, 12668756, 15835945, 16105493, 17748140, 19163498, 25337512, 31671890, 32210986, 35496280, 38326996, 47908745, 63343780, 64421972, 76653992, 80527465, 95817490, 126687560, 128843944, 161054930, 191634980, 322109860, 383269960, 644219720, 756958171, 1513916342, 3027832684, 3784790855, 6055665368, 7569581710, 15139163420, 30278326840]

約数ペア:

[(1, 30278326840), (2, 15139163420), (4, 7569581710), (5, 6055665368), (8, 3784790855), (10, 3027832684), (20, 1513916342), (40, 756958171), (47, 644219720), (79, 383269960), (94, 322109860), (158, 191634980), (188, 161054930), (235, 128843944), (239, 126687560), (316, 95817490), (376, 80527465), (395, 76653992), (470, 64421972), (478, 63343780), (632, 47908745), (790, 38326996), (853, 35496280), (940, 32210986), (956, 31671890), (1195, 25337512), (1580, 19163498), (1706, 17748140), (1880, 16105493), (1912, 15835945), (2390, 12668756), (3160, 9581749), (3412, 8874070), (3713, 8154680), (4265, 7099256), (4780, 6334378), (6824, 4437035), (7426, 4077340), (8530, 3549628), (9560, 3167189), (11233, 2695480), (14852, 2038670), (17060, 1774814), (18565, 1630936), (18881, 1603640), (22466, 1347740), (29704, 1019335), (34120, 887407), (37130, 815468), (37762, 801820), (40091, 755240), (44932, 673870), (56165, 539096), (67387, 449320), (74260, 407734), (75524, 400910), (80182, 377620), (89864, 336935), (94405, 320728), (112330, 269548), (134774, 224660), (148520, 203867), (151048, 200455), (160364, 188810)]