127688320

素因数分解:

$2^7\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1523}}^1$

素因数の和:1673

約数の個数: 64

約数和(自身を含む): 307787040

約数和(自身を除く): 180098720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 131, 160, 262, 320, 524, 640, 655, 1048, 1310, 1523, 2096, 2620, 3046, 4192, 5240, 6092, 7615, 8384, 10480, 12184, 15230, 16768, 20960, 24368, 30460, 41920, 48736, 60920, 83840, 97472, 121840, 194944, 199513, 243680, 399026, 487360, 798052, 974720, 997565, 1596104, 1995130, 3192208, 3990260, 6384416, 7980520, 12768832, 15961040, 25537664, 31922080, 63844160, 127688320]

約数ペア:

[(1, 127688320), (2, 63844160), (4, 31922080), (5, 25537664), (8, 15961040), (10, 12768832), (16, 7980520), (20, 6384416), (32, 3990260), (40, 3192208), (64, 1995130), (80, 1596104), (128, 997565), (131, 974720), (160, 798052), (262, 487360), (320, 399026), (524, 243680), (640, 199513), (655, 194944), (1048, 121840), (1310, 97472), (1523, 83840), (2096, 60920), (2620, 48736), (3046, 41920), (4192, 30460), (5240, 24368), (6092, 20960), (7615, 16768), (8384, 15230), (10480, 12184)]