81353520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1097}}^1$

素因数の和:1219

約数の個数: 120

約数和(自身を含む): 276116256

約数和(自身を除く): 194762736

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 103, 120, 144, 180, 206, 240, 309, 360, 412, 515, 618, 720, 824, 927, 1030, 1097, 1236, 1545, 1648, 1854, 2060, 2194, 2472, 3090, 3291, 3708, 4120, 4388, 4635, 4944, 5485, 6180, 6582, 7416, 8240, 8776, 9270, 9873, 10970, 12360, 13164, 14832, 16455, 17552, 18540, 19746, 21940, 24720, 26328, 32910, 37080, 39492, 43880, 49365, 52656, 65820, 74160, 78984, 87760, 98730, 112991, 131640, 157968, 197460, 225982, 263280, 338973, 394920, 451964, 564955, 677946, 789840, 903928, 1016919, 1129910, 1355892, 1694865, 1807856, 2033838, 2259820, 2711784, 3389730, 4067676, 4519640, 5084595, 5423568, 6779460, 8135352, 9039280, 10169190, 13558920, 16270704, 20338380, 27117840, 40676760, 81353520]

約数ペア:

[(1, 81353520), (2, 40676760), (3, 27117840), (4, 20338380), (5, 16270704), (6, 13558920), (8, 10169190), (9, 9039280), (10, 8135352), (12, 6779460), (15, 5423568), (16, 5084595), (18, 4519640), (20, 4067676), (24, 3389730), (30, 2711784), (36, 2259820), (40, 2033838), (45, 1807856), (48, 1694865), (60, 1355892), (72, 1129910), (80, 1016919), (90, 903928), (103, 789840), (120, 677946), (144, 564955), (180, 451964), (206, 394920), (240, 338973), (309, 263280), (360, 225982), (412, 197460), (515, 157968), (618, 131640), (720, 112991), (824, 98730), (927, 87760), (1030, 78984), (1097, 74160), (1236, 65820), (1545, 52656), (1648, 49365), (1854, 43880), (2060, 39492), (2194, 37080), (2472, 32910), (3090, 26328), (3291, 24720), (3708, 21940), (4120, 19746), (4388, 18540), (4635, 17552), (4944, 16455), (5485, 14832), (6180, 13164), (6582, 12360), (7416, 10970), (8240, 9873), (8776, 9270)]