240765780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{419}}^1$

素因数の和:649

約数の個数: 96

約数和(自身を含む): 691205760

約数和(自身を除く): 450439980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 157, 183, 244, 305, 314, 366, 419, 471, 610, 628, 732, 785, 838, 915, 942, 1220, 1257, 1570, 1676, 1830, 1884, 2095, 2355, 2514, 3140, 3660, 4190, 4710, 5028, 6285, 8380, 9420, 9577, 12570, 19154, 25140, 25559, 28731, 38308, 47885, 51118, 57462, 65783, 76677, 95770, 102236, 114924, 127795, 131566, 143655, 153354, 191540, 197349, 255590, 263132, 287310, 306708, 328915, 383385, 394698, 511180, 574620, 657830, 766770, 789396, 986745, 1315660, 1533540, 1973490, 3946980, 4012763, 8025526, 12038289, 16051052, 20063815, 24076578, 40127630, 48153156, 60191445, 80255260, 120382890, 240765780]

約数ペア:

[(1, 240765780), (2, 120382890), (3, 80255260), (4, 60191445), (5, 48153156), (6, 40127630), (10, 24076578), (12, 20063815), (15, 16051052), (20, 12038289), (30, 8025526), (60, 4012763), (61, 3946980), (122, 1973490), (157, 1533540), (183, 1315660), (244, 986745), (305, 789396), (314, 766770), (366, 657830), (419, 574620), (471, 511180), (610, 394698), (628, 383385), (732, 328915), (785, 306708), (838, 287310), (915, 263132), (942, 255590), (1220, 197349), (1257, 191540), (1570, 153354), (1676, 143655), (1830, 131566), (1884, 127795), (2095, 114924), (2355, 102236), (2514, 95770), (3140, 76677), (3660, 65783), (4190, 57462), (4710, 51118), (5028, 47885), (6285, 38308), (8380, 28731), (9420, 25559), (9577, 25140), (12570, 19154)]