131819440

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2311}}^1$

素因数の和:2378

約数の個数: 80

約数和(自身を含む): 330264576

約数和(自身を除く): 198445136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 40, 46, 62, 80, 92, 115, 124, 155, 184, 230, 248, 310, 368, 460, 496, 620, 713, 920, 1240, 1426, 1840, 2311, 2480, 2852, 3565, 4622, 5704, 7130, 9244, 11408, 11555, 14260, 18488, 23110, 28520, 36976, 46220, 53153, 57040, 71641, 92440, 106306, 143282, 184880, 212612, 265765, 286564, 358205, 425224, 531530, 573128, 716410, 850448, 1063060, 1146256, 1432820, 1647743, 2126120, 2865640, 3295486, 4252240, 5731280, 6590972, 8238715, 13181944, 16477430, 26363888, 32954860, 65909720, 131819440]

約数ペア:

[(1, 131819440), (2, 65909720), (4, 32954860), (5, 26363888), (8, 16477430), (10, 13181944), (16, 8238715), (20, 6590972), (23, 5731280), (31, 4252240), (40, 3295486), (46, 2865640), (62, 2126120), (80, 1647743), (92, 1432820), (115, 1146256), (124, 1063060), (155, 850448), (184, 716410), (230, 573128), (248, 531530), (310, 425224), (368, 358205), (460, 286564), (496, 265765), (620, 212612), (713, 184880), (920, 143282), (1240, 106306), (1426, 92440), (1840, 71641), (2311, 57040), (2480, 53153), (2852, 46220), (3565, 36976), (4622, 28520), (5704, 23110), (7130, 18488), (9244, 14260), (11408, 11555)]