261503640

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1877}}^1$

素因数の和:1943

約数の個数: 160

約数和(自身を含む): 899862480

約数和(自身を除く): 638358840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 43, 45, 54, 60, 72, 81, 86, 90, 108, 120, 129, 135, 162, 172, 180, 215, 216, 258, 270, 324, 344, 360, 387, 405, 430, 516, 540, 645, 648, 774, 810, 860, 1032, 1080, 1161, 1290, 1548, 1620, 1720, 1877, 1935, 2322, 2580, 3096, 3240, 3483, 3754, 3870, 4644, 5160, 5631, 5805, 6966, 7508, 7740, 9288, 9385, 11262, 11610, 13932, 15016, 15480, 16893, 17415, 18770, 22524, 23220, 27864, 28155, 33786, 34830, 37540, 45048, 46440, 50679, 56310, 67572, 69660, 75080, 80711, 84465, 101358, 112620, 135144, 139320, 152037, 161422, 168930, 202716, 225240, 242133, 253395, 304074, 322844, 337860, 403555, 405432, 484266, 506790, 608148, 645688, 675720, 726399, 760185, 807110, 968532, 1013580, 1210665, 1216296, 1452798, 1520370, 1614220, 1937064, 2027160, 2179197, 2421330, 2905596, 3040740, 3228440, 3631995, 4358394, 4842660, 5811192, 6081480, 6537591, 7263990, 8716788, 9685320, 10895985, 13075182, 14527980, 17433576, 21791970, 26150364, 29055960, 32687955, 43583940, 52300728, 65375910, 87167880, 130751820, 261503640]

約数ペア:

[(1, 261503640), (2, 130751820), (3, 87167880), (4, 65375910), (5, 52300728), (6, 43583940), (8, 32687955), (9, 29055960), (10, 26150364), (12, 21791970), (15, 17433576), (18, 14527980), (20, 13075182), (24, 10895985), (27, 9685320), (30, 8716788), (36, 7263990), (40, 6537591), (43, 6081480), (45, 5811192), (54, 4842660), (60, 4358394), (72, 3631995), (81, 3228440), (86, 3040740), (90, 2905596), (108, 2421330), (120, 2179197), (129, 2027160), (135, 1937064), (162, 1614220), (172, 1520370), (180, 1452798), (215, 1216296), (216, 1210665), (258, 1013580), (270, 968532), (324, 807110), (344, 760185), (360, 726399), (387, 675720), (405, 645688), (430, 608148), (516, 506790), (540, 484266), (645, 405432), (648, 403555), (774, 337860), (810, 322844), (860, 304074), (1032, 253395), (1080, 242133), (1161, 225240), (1290, 202716), (1548, 168930), (1620, 161422), (1720, 152037), (1877, 139320), (1935, 135144), (2322, 112620), (2580, 101358), (3096, 84465), (3240, 80711), (3483, 75080), (3754, 69660), (3870, 67572), (4644, 56310), (5160, 50679), (5631, 46440), (5805, 45048), (6966, 37540), (7508, 34830), (7740, 33786), (9288, 28155), (9385, 27864), (11262, 23220), (11610, 22524), (13932, 18770), (15016, 17415), (15480, 16893)]