142721820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{233}}^1$

素因数の和:372

約数の個数: 144

約数和(自身を含む): 450751392

約数和(自身を除く): 308029572

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 82, 83, 90, 123, 164, 166, 180, 205, 233, 246, 249, 332, 369, 410, 415, 466, 492, 498, 615, 699, 738, 747, 820, 830, 932, 996, 1165, 1230, 1245, 1398, 1476, 1494, 1660, 1845, 2097, 2330, 2460, 2490, 2796, 2988, 3403, 3495, 3690, 3735, 4194, 4660, 4980, 6806, 6990, 7380, 7470, 8388, 9553, 10209, 10485, 13612, 13980, 14940, 17015, 19106, 19339, 20418, 20970, 28659, 30627, 34030, 38212, 38678, 40836, 41940, 47765, 51045, 57318, 58017, 61254, 68060, 77356, 85977, 95530, 96695, 102090, 114636, 116034, 122508, 143295, 153135, 171954, 174051, 191060, 193390, 204180, 232068, 286590, 290085, 306270, 343908, 348102, 386780, 429885, 573180, 580170, 612540, 696204, 792899, 859770, 870255, 1160340, 1585798, 1719540, 1740510, 2378697, 3171596, 3481020, 3964495, 4757394, 7136091, 7928990, 9514788, 11893485, 14272182, 15857980, 23786970, 28544364, 35680455, 47573940, 71360910, 142721820]

約数ペア:

[(1, 142721820), (2, 71360910), (3, 47573940), (4, 35680455), (5, 28544364), (6, 23786970), (9, 15857980), (10, 14272182), (12, 11893485), (15, 9514788), (18, 7928990), (20, 7136091), (30, 4757394), (36, 3964495), (41, 3481020), (45, 3171596), (60, 2378697), (82, 1740510), (83, 1719540), (90, 1585798), (123, 1160340), (164, 870255), (166, 859770), (180, 792899), (205, 696204), (233, 612540), (246, 580170), (249, 573180), (332, 429885), (369, 386780), (410, 348102), (415, 343908), (466, 306270), (492, 290085), (498, 286590), (615, 232068), (699, 204180), (738, 193390), (747, 191060), (820, 174051), (830, 171954), (932, 153135), (996, 143295), (1165, 122508), (1230, 116034), (1245, 114636), (1398, 102090), (1476, 96695), (1494, 95530), (1660, 85977), (1845, 77356), (2097, 68060), (2330, 61254), (2460, 58017), (2490, 57318), (2796, 51045), (2988, 47765), (3403, 41940), (3495, 40836), (3690, 38678), (3735, 38212), (4194, 34030), (4660, 30627), (4980, 28659), (6806, 20970), (6990, 20418), (7380, 19339), (7470, 19106), (8388, 17015), (9553, 14940), (10209, 13980), (10485, 13612)]