81971297920

素因数分解:

$2^7\times 5^1\times {\mathrm{29}}^1\times {\mathrm{463}}^1\times {\mathrm{9539}}^1$

素因数の和:10050

約数の個数: 128

約数和(自身を含む): 203179104000

約数和(自身を除く): 121207806080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 290, 320, 463, 464, 580, 640, 926, 928, 1160, 1852, 1856, 2315, 2320, 3704, 3712, 4630, 4640, 7408, 9260, 9280, 9539, 13427, 14816, 18520, 18560, 19078, 26854, 29632, 37040, 38156, 47695, 53708, 59264, 67135, 74080, 76312, 95390, 107416, 134270, 148160, 152624, 190780, 214832, 268540, 276631, 296320, 305248, 381560, 429664, 537080, 553262, 610496, 763120, 859328, 1074160, 1106524, 1220992, 1383155, 1526240, 1718656, 2148320, 2213048, 2766310, 3052480, 4296640, 4416557, 4426096, 5532620, 6104960, 8593280, 8833114, 8852192, 11065240, 17666228, 17704384, 22082785, 22130480, 35332456, 35408768, 44165570, 44260960, 70664912, 88331140, 88521920, 128080153, 141329824, 176662280, 177043840, 256160306, 282659648, 353324560, 512320612, 565319296, 640400765, 706649120, 1024641224, 1280801530, 1413298240, 2049282448, 2561603060, 2826596480, 4098564896, 5123206120, 8197129792, 10246412240, 16394259584, 20492824480, 40985648960, 81971297920]

約数ペア:

[(1, 81971297920), (2, 40985648960), (4, 20492824480), (5, 16394259584), (8, 10246412240), (10, 8197129792), (16, 5123206120), (20, 4098564896), (29, 2826596480), (32, 2561603060), (40, 2049282448), (58, 1413298240), (64, 1280801530), (80, 1024641224), (116, 706649120), (128, 640400765), (145, 565319296), (160, 512320612), (232, 353324560), (290, 282659648), (320, 256160306), (463, 177043840), (464, 176662280), (580, 141329824), (640, 128080153), (926, 88521920), (928, 88331140), (1160, 70664912), (1852, 44260960), (1856, 44165570), (2315, 35408768), (2320, 35332456), (3704, 22130480), (3712, 22082785), (4630, 17704384), (4640, 17666228), (7408, 11065240), (9260, 8852192), (9280, 8833114), (9539, 8593280), (13427, 6104960), (14816, 5532620), (18520, 4426096), (18560, 4416557), (19078, 4296640), (26854, 3052480), (29632, 2766310), (37040, 2213048), (38156, 2148320), (47695, 1718656), (53708, 1526240), (59264, 1383155), (67135, 1220992), (74080, 1106524), (76312, 1074160), (95390, 859328), (107416, 763120), (134270, 610496), (148160, 553262), (152624, 537080), (190780, 429664), (214832, 381560), (268540, 305248), (276631, 296320)]