261257040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{32987}}^1$

素因数の和:33017

約数の個数: 120

約数和(自身を含む): 957179808

約数和(自身を除く): 695922768

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2640, 3960, 7920, 32987, 65974, 98961, 131948, 164935, 197922, 263896, 296883, 329870, 362857, 395844, 494805, 527792, 593766, 659740, 725714, 791688, 989610, 1088571, 1187532, 1319480, 1451428, 1484415, 1583376, 1814285, 1979220, 2177142, 2375064, 2638960, 2902856, 2968830, 3265713, 3628570, 3958440, 4354284, 4750128, 5442855, 5805712, 5937660, 6531426, 7257140, 7916880, 8708568, 10885710, 11875320, 13062852, 14514280, 16328565, 17417136, 21771420, 23750640, 26125704, 29028560, 32657130, 43542840, 52251408, 65314260, 87085680, 130628520, 261257040]

約数ペア:

[(1, 261257040), (2, 130628520), (3, 87085680), (4, 65314260), (5, 52251408), (6, 43542840), (8, 32657130), (9, 29028560), (10, 26125704), (11, 23750640), (12, 21771420), (15, 17417136), (16, 16328565), (18, 14514280), (20, 13062852), (22, 11875320), (24, 10885710), (30, 8708568), (33, 7916880), (36, 7257140), (40, 6531426), (44, 5937660), (45, 5805712), (48, 5442855), (55, 4750128), (60, 4354284), (66, 3958440), (72, 3628570), (80, 3265713), (88, 2968830), (90, 2902856), (99, 2638960), (110, 2375064), (120, 2177142), (132, 1979220), (144, 1814285), (165, 1583376), (176, 1484415), (180, 1451428), (198, 1319480), (220, 1187532), (240, 1088571), (264, 989610), (330, 791688), (360, 725714), (396, 659740), (440, 593766), (495, 527792), (528, 494805), (660, 395844), (720, 362857), (792, 329870), (880, 296883), (990, 263896), (1320, 197922), (1584, 164935), (1980, 131948), (2640, 98961), (3960, 65974), (7920, 32987)]