1308910720

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157321}}^1$

素因数の和:157353

約数の個数: 64

約数和(自身を含む): 3369837240

約数和(自身を除く): 2060926520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8320, 157321, 314642, 629284, 786605, 1258568, 1573210, 2045173, 2517136, 3146420, 4090346, 5034272, 6292840, 8180692, 10068544, 10225865, 12585680, 16361384, 20137088, 20451730, 25171360, 32722768, 40903460, 50342720, 65445536, 81806920, 100685440, 130891072, 163613840, 261782144, 327227680, 654455360, 1308910720]

約数ペア:

[(1, 1308910720), (2, 654455360), (4, 327227680), (5, 261782144), (8, 163613840), (10, 130891072), (13, 100685440), (16, 81806920), (20, 65445536), (26, 50342720), (32, 40903460), (40, 32722768), (52, 25171360), (64, 20451730), (65, 20137088), (80, 16361384), (104, 12585680), (128, 10225865), (130, 10068544), (160, 8180692), (208, 6292840), (260, 5034272), (320, 4090346), (416, 3146420), (520, 2517136), (640, 2045173), (832, 1573210), (1040, 1258568), (1664, 786605), (2080, 629284), (4160, 314642), (8320, 157321)]