281796760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1117}}^1$

素因数の和:1205

約数の個数: 128

約数和(自身を含む): 782421120

約数和(自身を除く): 500624360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 53, 56, 68, 70, 85, 106, 119, 136, 140, 170, 212, 238, 265, 280, 340, 371, 424, 476, 530, 595, 680, 742, 901, 952, 1060, 1117, 1190, 1484, 1802, 1855, 2120, 2234, 2380, 2968, 3604, 3710, 4468, 4505, 4760, 5585, 6307, 7208, 7420, 7819, 8936, 9010, 11170, 12614, 14840, 15638, 18020, 18989, 22340, 25228, 31276, 31535, 36040, 37978, 39095, 44680, 50456, 59201, 62552, 63070, 75956, 78190, 94945, 118402, 126140, 132923, 151912, 156380, 189890, 236804, 252280, 265846, 296005, 312760, 379780, 414407, 473608, 531692, 592010, 664615, 759560, 828814, 1006417, 1063384, 1184020, 1329230, 1657628, 2012834, 2072035, 2368040, 2658460, 3315256, 4025668, 4144070, 5032085, 5316920, 7044919, 8051336, 8288140, 10064170, 14089838, 16576280, 20128340, 28179676, 35224595, 40256680, 56359352, 70449190, 140898380, 281796760]

約数ペア:

[(1, 281796760), (2, 140898380), (4, 70449190), (5, 56359352), (7, 40256680), (8, 35224595), (10, 28179676), (14, 20128340), (17, 16576280), (20, 14089838), (28, 10064170), (34, 8288140), (35, 8051336), (40, 7044919), (53, 5316920), (56, 5032085), (68, 4144070), (70, 4025668), (85, 3315256), (106, 2658460), (119, 2368040), (136, 2072035), (140, 2012834), (170, 1657628), (212, 1329230), (238, 1184020), (265, 1063384), (280, 1006417), (340, 828814), (371, 759560), (424, 664615), (476, 592010), (530, 531692), (595, 473608), (680, 414407), (742, 379780), (901, 312760), (952, 296005), (1060, 265846), (1117, 252280), (1190, 236804), (1484, 189890), (1802, 156380), (1855, 151912), (2120, 132923), (2234, 126140), (2380, 118402), (2968, 94945), (3604, 78190), (3710, 75956), (4468, 63070), (4505, 62552), (4760, 59201), (5585, 50456), (6307, 44680), (7208, 39095), (7420, 37978), (7819, 36040), (8936, 31535), (9010, 31276), (11170, 25228), (12614, 22340), (14840, 18989), (15638, 18020)]