86278920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7901}}^1$

素因数の和:7935

約数の個数: 128

約数和(自身を含む): 318608640

約数和(自身を除く): 232329720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 7901, 10920, 15802, 23703, 31604, 39505, 47406, 55307, 63208, 79010, 94812, 102713, 110614, 118515, 158020, 165921, 189624, 205426, 221228, 237030, 276535, 308139, 316040, 331842, 410852, 442456, 474060, 513565, 553070, 616278, 663684, 718991, 821704, 829605, 948120, 1027130, 1106140, 1232556, 1327368, 1437982, 1540695, 1659210, 2054260, 2156973, 2212280, 2465112, 2875964, 3081390, 3318420, 3594955, 4108520, 4313946, 5751928, 6162780, 6636840, 7189910, 8627892, 10784865, 12325560, 14379820, 17255784, 21569730, 28759640, 43139460, 86278920]

約数ペア:

[(1, 86278920), (2, 43139460), (3, 28759640), (4, 21569730), (5, 17255784), (6, 14379820), (7, 12325560), (8, 10784865), (10, 8627892), (12, 7189910), (13, 6636840), (14, 6162780), (15, 5751928), (20, 4313946), (21, 4108520), (24, 3594955), (26, 3318420), (28, 3081390), (30, 2875964), (35, 2465112), (39, 2212280), (40, 2156973), (42, 2054260), (52, 1659210), (56, 1540695), (60, 1437982), (65, 1327368), (70, 1232556), (78, 1106140), (84, 1027130), (91, 948120), (104, 829605), (105, 821704), (120, 718991), (130, 663684), (140, 616278), (156, 553070), (168, 513565), (182, 474060), (195, 442456), (210, 410852), (260, 331842), (273, 316040), (280, 308139), (312, 276535), (364, 237030), (390, 221228), (420, 205426), (455, 189624), (520, 165921), (546, 158020), (728, 118515), (780, 110614), (840, 102713), (910, 94812), (1092, 79010), (1365, 63208), (1560, 55307), (1820, 47406), (2184, 39505), (2730, 31604), (3640, 23703), (5460, 15802), (7901, 10920)]