640245312

素因数分解:

$2^6\times 3^2\times 7^1\times {\mathrm{158791}}^1$

素因数の和:158816

約数の個数: 84

約数和(自身を含む): 2097324736

約数和(自身を除く): 1457079424

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 112, 126, 144, 168, 192, 224, 252, 288, 336, 448, 504, 576, 672, 1008, 1344, 2016, 4032, 158791, 317582, 476373, 635164, 952746, 1111537, 1270328, 1429119, 1905492, 2223074, 2540656, 2858238, 3334611, 3810984, 4446148, 5081312, 5716476, 6669222, 7621968, 8892296, 10003833, 10162624, 11432952, 13338444, 15243936, 17784592, 20007666, 22865904, 26676888, 30487872, 35569184, 40015332, 45731808, 53353776, 71138368, 80030664, 91463616, 106707552, 160061328, 213415104, 320122656, 640245312]

約数ペア:

[(1, 640245312), (2, 320122656), (3, 213415104), (4, 160061328), (6, 106707552), (7, 91463616), (8, 80030664), (9, 71138368), (12, 53353776), (14, 45731808), (16, 40015332), (18, 35569184), (21, 30487872), (24, 26676888), (28, 22865904), (32, 20007666), (36, 17784592), (42, 15243936), (48, 13338444), (56, 11432952), (63, 10162624), (64, 10003833), (72, 8892296), (84, 7621968), (96, 6669222), (112, 5716476), (126, 5081312), (144, 4446148), (168, 3810984), (192, 3334611), (224, 2858238), (252, 2540656), (288, 2223074), (336, 1905492), (448, 1429119), (504, 1270328), (576, 1111537), (672, 952746), (1008, 635164), (1344, 476373), (2016, 317582), (4032, 158791)]