81904129680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{349}}^1\times {\mathrm{10987}}^1$

素因数の和:11441

約数の個数: 160

約数和(自身を含む): 257514768000

約数和(自身を除く): 175610638320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 89, 120, 178, 240, 267, 349, 356, 445, 534, 698, 712, 890, 1047, 1068, 1335, 1396, 1424, 1745, 1780, 2094, 2136, 2670, 2792, 3490, 3560, 4188, 4272, 5235, 5340, 5584, 6980, 7120, 8376, 10470, 10680, 10987, 13960, 16752, 20940, 21360, 21974, 27920, 31061, 32961, 41880, 43948, 54935, 62122, 65922, 83760, 87896, 93183, 109870, 124244, 131844, 155305, 164805, 175792, 186366, 219740, 248488, 263688, 310610, 329610, 372732, 439480, 465915, 496976, 527376, 621220, 659220, 745464, 878960, 931830, 977843, 1242440, 1318440, 1490928, 1863660, 1955686, 2484880, 2636880, 2933529, 3727320, 3834463, 3911372, 4889215, 5867058, 7454640, 7668926, 7822744, 9778430, 11503389, 11734116, 14667645, 15337852, 15645488, 19172315, 19556860, 23006778, 23468232, 29335290, 30675704, 38344630, 39113720, 46013556, 46936464, 57516945, 58670580, 61351408, 76689260, 78227440, 92027112, 115033890, 117341160, 153378520, 184054224, 230067780, 234682320, 306757040, 341267207, 460135560, 682534414, 920271120, 1023801621, 1365068828, 1706336035, 2047603242, 2730137656, 3412672070, 4095206484, 5119008105, 5460275312, 6825344140, 8190412968, 10238016210, 13650688280, 16380825936, 20476032420, 27301376560, 40952064840, 81904129680]

約数ペア:

[(1, 81904129680), (2, 40952064840), (3, 27301376560), (4, 20476032420), (5, 16380825936), (6, 13650688280), (8, 10238016210), (10, 8190412968), (12, 6825344140), (15, 5460275312), (16, 5119008105), (20, 4095206484), (24, 3412672070), (30, 2730137656), (40, 2047603242), (48, 1706336035), (60, 1365068828), (80, 1023801621), (89, 920271120), (120, 682534414), (178, 460135560), (240, 341267207), (267, 306757040), (349, 234682320), (356, 230067780), (445, 184054224), (534, 153378520), (698, 117341160), (712, 115033890), (890, 92027112), (1047, 78227440), (1068, 76689260), (1335, 61351408), (1396, 58670580), (1424, 57516945), (1745, 46936464), (1780, 46013556), (2094, 39113720), (2136, 38344630), (2670, 30675704), (2792, 29335290), (3490, 23468232), (3560, 23006778), (4188, 19556860), (4272, 19172315), (5235, 15645488), (5340, 15337852), (5584, 14667645), (6980, 11734116), (7120, 11503389), (8376, 9778430), (10470, 7822744), (10680, 7668926), (10987, 7454640), (13960, 5867058), (16752, 4889215), (20940, 3911372), (21360, 3834463), (21974, 3727320), (27920, 2933529), (31061, 2636880), (32961, 2484880), (41880, 1955686), (43948, 1863660), (54935, 1490928), (62122, 1318440), (65922, 1242440), (83760, 977843), (87896, 931830), (93183, 878960), (109870, 745464), (124244, 659220), (131844, 621220), (155305, 527376), (164805, 496976), (175792, 465915), (186366, 439480), (219740, 372732), (248488, 329610), (263688, 310610)]