213815680

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{829}}^1$

素因数の和:892

約数の個数: 128

約数和(自身を含む): 568915200

約数和(自身を除く): 355099520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 260, 310, 320, 403, 416, 496, 520, 620, 640, 806, 829, 832, 992, 1040, 1240, 1612, 1658, 1664, 1984, 2015, 2080, 2480, 3224, 3316, 3968, 4030, 4145, 4160, 4960, 6448, 6632, 8060, 8290, 8320, 9920, 10777, 12896, 13264, 16120, 16580, 19840, 21554, 25699, 25792, 26528, 32240, 33160, 43108, 51398, 51584, 53056, 53885, 64480, 66320, 86216, 102796, 106112, 107770, 128495, 128960, 132640, 172432, 205592, 215540, 256990, 257920, 265280, 334087, 344864, 411184, 431080, 513980, 530560, 668174, 689728, 822368, 862160, 1027960, 1336348, 1379456, 1644736, 1670435, 1724320, 2055920, 2672696, 3289472, 3340870, 3448640, 4111840, 5345392, 6681740, 6897280, 8223680, 10690784, 13363480, 16447360, 21381568, 26726960, 42763136, 53453920, 106907840, 213815680]

約数ペア:

[(1, 213815680), (2, 106907840), (4, 53453920), (5, 42763136), (8, 26726960), (10, 21381568), (13, 16447360), (16, 13363480), (20, 10690784), (26, 8223680), (31, 6897280), (32, 6681740), (40, 5345392), (52, 4111840), (62, 3448640), (64, 3340870), (65, 3289472), (80, 2672696), (104, 2055920), (124, 1724320), (128, 1670435), (130, 1644736), (155, 1379456), (160, 1336348), (208, 1027960), (248, 862160), (260, 822368), (310, 689728), (320, 668174), (403, 530560), (416, 513980), (496, 431080), (520, 411184), (620, 344864), (640, 334087), (806, 265280), (829, 257920), (832, 256990), (992, 215540), (1040, 205592), (1240, 172432), (1612, 132640), (1658, 128960), (1664, 128495), (1984, 107770), (2015, 106112), (2080, 102796), (2480, 86216), (3224, 66320), (3316, 64480), (3968, 53885), (4030, 53056), (4145, 51584), (4160, 51398), (4960, 43108), (6448, 33160), (6632, 32240), (8060, 26528), (8290, 25792), (8320, 25699), (9920, 21554), (10777, 19840), (12896, 16580), (13264, 16120)]