320779680

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51407}}^1$

素因数の和:51438

約数の個数: 96

約数和(自身を含む): 1088204544

約数和(自身を除く): 767424864

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 130, 156, 160, 195, 208, 240, 260, 312, 390, 416, 480, 520, 624, 780, 1040, 1248, 1560, 2080, 3120, 6240, 51407, 102814, 154221, 205628, 257035, 308442, 411256, 514070, 616884, 668291, 771105, 822512, 1028140, 1233768, 1336582, 1542210, 1645024, 2004873, 2056280, 2467536, 2673164, 3084420, 3341455, 4009746, 4112560, 4935072, 5346328, 6168840, 6682910, 8019492, 8225120, 10024365, 10692656, 12337680, 13365820, 16038984, 20048730, 21385312, 24675360, 26731640, 32077968, 40097460, 53463280, 64155936, 80194920, 106926560, 160389840, 320779680]

約数ペア:

[(1, 320779680), (2, 160389840), (3, 106926560), (4, 80194920), (5, 64155936), (6, 53463280), (8, 40097460), (10, 32077968), (12, 26731640), (13, 24675360), (15, 21385312), (16, 20048730), (20, 16038984), (24, 13365820), (26, 12337680), (30, 10692656), (32, 10024365), (39, 8225120), (40, 8019492), (48, 6682910), (52, 6168840), (60, 5346328), (65, 4935072), (78, 4112560), (80, 4009746), (96, 3341455), (104, 3084420), (120, 2673164), (130, 2467536), (156, 2056280), (160, 2004873), (195, 1645024), (208, 1542210), (240, 1336582), (260, 1233768), (312, 1028140), (390, 822512), (416, 771105), (480, 668291), (520, 616884), (624, 514070), (780, 411256), (1040, 308442), (1248, 257035), (1560, 205628), (2080, 154221), (3120, 102814), (6240, 51407)]