1515671990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{233}}^1$

素因数の和:406

約数の個数: 128

約数和(自身を含む): 3391165440

約数和(自身を除く): 1875493450

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 67, 70, 73, 95, 133, 134, 146, 190, 233, 266, 335, 365, 466, 469, 511, 665, 670, 730, 938, 1022, 1165, 1273, 1330, 1387, 1631, 2330, 2345, 2546, 2555, 2774, 3262, 4427, 4690, 4891, 5110, 6365, 6935, 8155, 8854, 8911, 9709, 9782, 12730, 13870, 15611, 16310, 17009, 17822, 19418, 22135, 24455, 30989, 31222, 34018, 34237, 44270, 44555, 48545, 48910, 61978, 68474, 78055, 85045, 89110, 92929, 97090, 109277, 119063, 154945, 156110, 170090, 171185, 185858, 218554, 238126, 296609, 309890, 323171, 342370, 464645, 546385, 593218, 595315, 646342, 650503, 929290, 1092770, 1139603, 1190630, 1301006, 1483045, 1615855, 2076263, 2262197, 2279206, 2966090, 3231710, 3252515, 4152526, 4524394, 5698015, 6505030, 7977221, 10381315, 11310985, 11396030, 15954442, 20762630, 21652457, 22621970, 39886105, 43304914, 79772210, 108262285, 151567199, 216524570, 303134398, 757835995, 1515671990]

約数ペア:

[(1, 1515671990), (2, 757835995), (5, 303134398), (7, 216524570), (10, 151567199), (14, 108262285), (19, 79772210), (35, 43304914), (38, 39886105), (67, 22621970), (70, 21652457), (73, 20762630), (95, 15954442), (133, 11396030), (134, 11310985), (146, 10381315), (190, 7977221), (233, 6505030), (266, 5698015), (335, 4524394), (365, 4152526), (466, 3252515), (469, 3231710), (511, 2966090), (665, 2279206), (670, 2262197), (730, 2076263), (938, 1615855), (1022, 1483045), (1165, 1301006), (1273, 1190630), (1330, 1139603), (1387, 1092770), (1631, 929290), (2330, 650503), (2345, 646342), (2546, 595315), (2555, 593218), (2774, 546385), (3262, 464645), (4427, 342370), (4690, 323171), (4891, 309890), (5110, 296609), (6365, 238126), (6935, 218554), (8155, 185858), (8854, 171185), (8911, 170090), (9709, 156110), (9782, 154945), (12730, 119063), (13870, 109277), (15611, 97090), (16310, 92929), (17009, 89110), (17822, 85045), (19418, 78055), (22135, 68474), (24455, 61978), (30989, 48910), (31222, 48545), (34018, 44555), (34237, 44270)]