61380720

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1$

素因数の和:360

約数の個数: 160

約数和(自身を含む): 213944640

約数和(自身を除く): 152563920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 157, 180, 181, 216, 240, 270, 314, 360, 362, 432, 471, 540, 543, 628, 720, 724, 785, 905, 942, 1080, 1086, 1256, 1413, 1448, 1570, 1629, 1810, 1884, 2160, 2172, 2355, 2512, 2715, 2826, 2896, 3140, 3258, 3620, 3768, 4239, 4344, 4710, 4887, 5430, 5652, 6280, 6516, 7065, 7240, 7536, 8145, 8478, 8688, 9420, 9774, 10860, 11304, 12560, 13032, 14130, 14480, 16290, 16956, 18840, 19548, 21195, 21720, 22608, 24435, 26064, 28260, 28417, 32580, 33912, 37680, 39096, 42390, 43440, 48870, 56520, 56834, 65160, 67824, 78192, 84780, 85251, 97740, 113040, 113668, 130320, 142085, 169560, 170502, 195480, 227336, 255753, 284170, 339120, 341004, 390960, 426255, 454672, 511506, 568340, 682008, 767259, 852510, 1023012, 1136680, 1278765, 1364016, 1534518, 1705020, 2046024, 2273360, 2557530, 3069036, 3410040, 3836295, 4092048, 5115060, 6138072, 6820080, 7672590, 10230120, 12276144, 15345180, 20460240, 30690360, 61380720]

約数ペア:

[(1, 61380720), (2, 30690360), (3, 20460240), (4, 15345180), (5, 12276144), (6, 10230120), (8, 7672590), (9, 6820080), (10, 6138072), (12, 5115060), (15, 4092048), (16, 3836295), (18, 3410040), (20, 3069036), (24, 2557530), (27, 2273360), (30, 2046024), (36, 1705020), (40, 1534518), (45, 1364016), (48, 1278765), (54, 1136680), (60, 1023012), (72, 852510), (80, 767259), (90, 682008), (108, 568340), (120, 511506), (135, 454672), (144, 426255), (157, 390960), (180, 341004), (181, 339120), (216, 284170), (240, 255753), (270, 227336), (314, 195480), (360, 170502), (362, 169560), (432, 142085), (471, 130320), (540, 113668), (543, 113040), (628, 97740), (720, 85251), (724, 84780), (785, 78192), (905, 67824), (942, 65160), (1080, 56834), (1086, 56520), (1256, 48870), (1413, 43440), (1448, 42390), (1570, 39096), (1629, 37680), (1810, 33912), (1884, 32580), (2160, 28417), (2172, 28260), (2355, 26064), (2512, 24435), (2715, 22608), (2826, 21720), (2896, 21195), (3140, 19548), (3258, 18840), (3620, 16956), (3768, 16290), (4239, 14480), (4344, 14130), (4710, 13032), (4887, 12560), (5430, 11304), (5652, 10860), (6280, 9774), (6516, 9420), (7065, 8688), (7240, 8478), (7536, 8145)]