81015648

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3889}}^1$

素因数の和:3940

約数の個数: 96

約数和(自身を含む): 250951680

約数和(自身を除く): 169936032

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 32, 42, 48, 56, 62, 84, 93, 96, 112, 124, 168, 186, 217, 224, 248, 336, 372, 434, 496, 651, 672, 744, 868, 992, 1302, 1488, 1736, 2604, 2976, 3472, 3889, 5208, 6944, 7778, 10416, 11667, 15556, 20832, 23334, 27223, 31112, 46668, 54446, 62224, 81669, 93336, 108892, 120559, 124448, 163338, 186672, 217784, 241118, 326676, 361677, 373344, 435568, 482236, 653352, 723354, 843913, 871136, 964472, 1306704, 1446708, 1687826, 1928944, 2531739, 2613408, 2893416, 3375652, 3857888, 5063478, 5786832, 6751304, 10126956, 11573664, 13502608, 20253912, 27005216, 40507824, 81015648]

約数ペア:

[(1, 81015648), (2, 40507824), (3, 27005216), (4, 20253912), (6, 13502608), (7, 11573664), (8, 10126956), (12, 6751304), (14, 5786832), (16, 5063478), (21, 3857888), (24, 3375652), (28, 2893416), (31, 2613408), (32, 2531739), (42, 1928944), (48, 1687826), (56, 1446708), (62, 1306704), (84, 964472), (93, 871136), (96, 843913), (112, 723354), (124, 653352), (168, 482236), (186, 435568), (217, 373344), (224, 361677), (248, 326676), (336, 241118), (372, 217784), (434, 186672), (496, 163338), (651, 124448), (672, 120559), (744, 108892), (868, 93336), (992, 81669), (1302, 62224), (1488, 54446), (1736, 46668), (2604, 31112), (2976, 27223), (3472, 23334), (3889, 20832), (5208, 15556), (6944, 11667), (7778, 10416)]