2080256880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{666749}}^1$

素因数の和:666778

約数の個数: 80

約数和(自身を含む): 6944868000

約数和(自身を除く): 4864611120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 666749, 1333498, 2000247, 2666996, 3333745, 4000494, 5333992, 6667490, 8000988, 8667737, 10001235, 10667984, 13334980, 16001976, 17335474, 20002470, 26003211, 26669960, 32003952, 34670948, 40004940, 43338685, 52006422, 53339920, 69341896, 80009880, 86677370, 104012844, 130016055, 138683792, 160019760, 173354740, 208025688, 260032110, 346709480, 416051376, 520064220, 693418960, 1040128440, 2080256880]

約数ペア:

[(1, 2080256880), (2, 1040128440), (3, 693418960), (4, 520064220), (5, 416051376), (6, 346709480), (8, 260032110), (10, 208025688), (12, 173354740), (13, 160019760), (15, 138683792), (16, 130016055), (20, 104012844), (24, 86677370), (26, 80009880), (30, 69341896), (39, 53339920), (40, 52006422), (48, 43338685), (52, 40004940), (60, 34670948), (65, 32003952), (78, 26669960), (80, 26003211), (104, 20002470), (120, 17335474), (130, 16001976), (156, 13334980), (195, 10667984), (208, 10001235), (240, 8667737), (260, 8000988), (312, 6667490), (390, 5333992), (520, 4000494), (624, 3333745), (780, 2666996), (1040, 2000247), (1560, 1333498), (3120, 666749)]