78608640

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1861}}^1$

素因数の和:1896

約数の個数: 144

約数和(自身を含む): 274026816

約数和(自身を除く): 195418176

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 128, 132, 160, 165, 176, 192, 220, 240, 256, 264, 320, 330, 352, 384, 440, 480, 528, 640, 660, 704, 768, 880, 960, 1056, 1280, 1320, 1408, 1760, 1861, 1920, 2112, 2640, 2816, 3520, 3722, 3840, 4224, 5280, 5583, 7040, 7444, 8448, 9305, 10560, 11166, 14080, 14888, 18610, 20471, 21120, 22332, 27915, 29776, 37220, 40942, 42240, 44664, 55830, 59552, 61413, 74440, 81884, 89328, 102355, 111660, 119104, 122826, 148880, 163768, 178656, 204710, 223320, 238208, 245652, 297760, 307065, 327536, 357312, 409420, 446640, 476416, 491304, 595520, 614130, 655072, 714624, 818840, 893280, 982608, 1191040, 1228260, 1310144, 1429248, 1637680, 1786560, 1965216, 2382080, 2456520, 2620288, 3275360, 3573120, 3930432, 4913040, 5240576, 6550720, 7146240, 7860864, 9826080, 13101440, 15721728, 19652160, 26202880, 39304320, 78608640]

約数ペア:

[(1, 78608640), (2, 39304320), (3, 26202880), (4, 19652160), (5, 15721728), (6, 13101440), (8, 9826080), (10, 7860864), (11, 7146240), (12, 6550720), (15, 5240576), (16, 4913040), (20, 3930432), (22, 3573120), (24, 3275360), (30, 2620288), (32, 2456520), (33, 2382080), (40, 1965216), (44, 1786560), (48, 1637680), (55, 1429248), (60, 1310144), (64, 1228260), (66, 1191040), (80, 982608), (88, 893280), (96, 818840), (110, 714624), (120, 655072), (128, 614130), (132, 595520), (160, 491304), (165, 476416), (176, 446640), (192, 409420), (220, 357312), (240, 327536), (256, 307065), (264, 297760), (320, 245652), (330, 238208), (352, 223320), (384, 204710), (440, 178656), (480, 163768), (528, 148880), (640, 122826), (660, 119104), (704, 111660), (768, 102355), (880, 89328), (960, 81884), (1056, 74440), (1280, 61413), (1320, 59552), (1408, 55830), (1760, 44664), (1861, 42240), (1920, 40942), (2112, 37220), (2640, 29776), (2816, 27915), (3520, 22332), (3722, 21120), (3840, 20471), (4224, 18610), (5280, 14888), (5583, 14080), (7040, 11166), (7444, 10560), (8448, 9305)]