78134680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:233

約数の個数: 128

約数和(自身を含む): 203212800

約数和(自身を除く): 125078120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 47, 52, 65, 92, 94, 104, 115, 130, 139, 184, 188, 230, 235, 260, 278, 299, 376, 460, 470, 520, 556, 598, 611, 695, 920, 940, 1081, 1112, 1196, 1222, 1390, 1495, 1807, 1880, 2162, 2392, 2444, 2780, 2990, 3055, 3197, 3614, 4324, 4888, 5405, 5560, 5980, 6110, 6394, 6533, 7228, 8648, 9035, 10810, 11960, 12220, 12788, 13066, 14053, 14456, 15985, 18070, 21620, 24440, 25576, 26132, 28106, 31970, 32665, 36140, 41561, 43240, 52264, 56212, 63940, 65330, 70265, 72280, 83122, 84929, 112424, 127880, 130660, 140530, 150259, 166244, 169858, 207805, 261320, 281060, 300518, 332488, 339716, 415610, 424645, 562120, 601036, 679432, 751295, 831220, 849290, 1202072, 1502590, 1662440, 1698580, 1953367, 3005180, 3397160, 3906734, 6010360, 7813468, 9766835, 15626936, 19533670, 39067340, 78134680]

約数ペア:

[(1, 78134680), (2, 39067340), (4, 19533670), (5, 15626936), (8, 9766835), (10, 7813468), (13, 6010360), (20, 3906734), (23, 3397160), (26, 3005180), (40, 1953367), (46, 1698580), (47, 1662440), (52, 1502590), (65, 1202072), (92, 849290), (94, 831220), (104, 751295), (115, 679432), (130, 601036), (139, 562120), (184, 424645), (188, 415610), (230, 339716), (235, 332488), (260, 300518), (278, 281060), (299, 261320), (376, 207805), (460, 169858), (470, 166244), (520, 150259), (556, 140530), (598, 130660), (611, 127880), (695, 112424), (920, 84929), (940, 83122), (1081, 72280), (1112, 70265), (1196, 65330), (1222, 63940), (1390, 56212), (1495, 52264), (1807, 43240), (1880, 41561), (2162, 36140), (2392, 32665), (2444, 31970), (2780, 28106), (2990, 26132), (3055, 25576), (3197, 24440), (3614, 21620), (4324, 18070), (4888, 15985), (5405, 14456), (5560, 14053), (5980, 13066), (6110, 12788), (6394, 12220), (6533, 11960), (7228, 10810), (8648, 9035)]