121497640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{439}}^1$

素因数の和:515

約数の個数: 128

約数和(自身を含む): 325036800

約数和(自身を除く): 203539160

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 37, 40, 44, 55, 68, 74, 85, 88, 110, 136, 148, 170, 185, 187, 220, 296, 340, 370, 374, 407, 439, 440, 629, 680, 740, 748, 814, 878, 935, 1258, 1480, 1496, 1628, 1756, 1870, 2035, 2195, 2516, 3145, 3256, 3512, 3740, 4070, 4390, 4829, 5032, 6290, 6919, 7463, 7480, 8140, 8780, 9658, 12580, 13838, 14926, 16243, 16280, 17560, 19316, 24145, 25160, 27676, 29852, 32486, 34595, 37315, 38632, 48290, 55352, 59704, 64972, 69190, 74630, 81215, 82093, 96580, 129944, 138380, 149260, 162430, 164186, 178673, 193160, 276131, 276760, 298520, 324860, 328372, 357346, 410465, 552262, 649720, 656744, 714692, 820930, 893365, 1104524, 1380655, 1429384, 1641860, 1786730, 2209048, 2761310, 3037441, 3283720, 3573460, 5522620, 6074882, 7146920, 11045240, 12149764, 15187205, 24299528, 30374410, 60748820, 121497640]

約数ペア:

[(1, 121497640), (2, 60748820), (4, 30374410), (5, 24299528), (8, 15187205), (10, 12149764), (11, 11045240), (17, 7146920), (20, 6074882), (22, 5522620), (34, 3573460), (37, 3283720), (40, 3037441), (44, 2761310), (55, 2209048), (68, 1786730), (74, 1641860), (85, 1429384), (88, 1380655), (110, 1104524), (136, 893365), (148, 820930), (170, 714692), (185, 656744), (187, 649720), (220, 552262), (296, 410465), (340, 357346), (370, 328372), (374, 324860), (407, 298520), (439, 276760), (440, 276131), (629, 193160), (680, 178673), (740, 164186), (748, 162430), (814, 149260), (878, 138380), (935, 129944), (1258, 96580), (1480, 82093), (1496, 81215), (1628, 74630), (1756, 69190), (1870, 64972), (2035, 59704), (2195, 55352), (2516, 48290), (3145, 38632), (3256, 37315), (3512, 34595), (3740, 32486), (4070, 29852), (4390, 27676), (4829, 25160), (5032, 24145), (6290, 19316), (6919, 17560), (7463, 16280), (7480, 16243), (8140, 14926), (8780, 13838), (9658, 12580)]