144655720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{233}}^1$

素因数の和:355

約数の個数: 128

約数和(自身を含む): 382112640

約数和(自身を除く): 237456920

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 83, 85, 88, 110, 136, 166, 170, 187, 220, 233, 332, 340, 374, 415, 440, 466, 664, 680, 748, 830, 913, 932, 935, 1165, 1411, 1496, 1660, 1826, 1864, 1870, 2330, 2563, 2822, 3320, 3652, 3740, 3961, 4565, 4660, 5126, 5644, 7055, 7304, 7480, 7922, 9130, 9320, 10252, 11288, 12815, 14110, 15521, 15844, 18260, 19339, 19805, 20504, 25630, 28220, 31042, 31688, 36520, 38678, 39610, 43571, 51260, 56440, 62084, 77356, 77605, 79220, 87142, 96695, 102520, 124168, 154712, 155210, 158440, 174284, 193390, 212729, 217855, 310420, 328763, 348568, 386780, 425458, 435710, 620840, 657526, 773560, 850916, 871420, 1063645, 1315052, 1643815, 1701832, 1742840, 2127290, 2630104, 3287630, 3616393, 4254580, 6575260, 7232786, 8509160, 13150520, 14465572, 18081965, 28931144, 36163930, 72327860, 144655720]

約数ペア:

[(1, 144655720), (2, 72327860), (4, 36163930), (5, 28931144), (8, 18081965), (10, 14465572), (11, 13150520), (17, 8509160), (20, 7232786), (22, 6575260), (34, 4254580), (40, 3616393), (44, 3287630), (55, 2630104), (68, 2127290), (83, 1742840), (85, 1701832), (88, 1643815), (110, 1315052), (136, 1063645), (166, 871420), (170, 850916), (187, 773560), (220, 657526), (233, 620840), (332, 435710), (340, 425458), (374, 386780), (415, 348568), (440, 328763), (466, 310420), (664, 217855), (680, 212729), (748, 193390), (830, 174284), (913, 158440), (932, 155210), (935, 154712), (1165, 124168), (1411, 102520), (1496, 96695), (1660, 87142), (1826, 79220), (1864, 77605), (1870, 77356), (2330, 62084), (2563, 56440), (2822, 51260), (3320, 43571), (3652, 39610), (3740, 38678), (3961, 36520), (4565, 31688), (4660, 31042), (5126, 28220), (5644, 25630), (7055, 20504), (7304, 19805), (7480, 19339), (7922, 18260), (9130, 15844), (9320, 15521), (10252, 14110), (11288, 12815)]