15566720

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1871}}^1$

素因数の和:1903

約数の個数: 64

約数和(自身を含む): 40098240

約数和(自身を除く): 24531520

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, 1871, 2080, 3742, 4160, 7484, 8320, 9355, 14968, 18710, 24323, 29936, 37420, 48646, 59872, 74840, 97292, 119744, 121615, 149680, 194584, 239488, 243230, 299360, 389168, 486460, 598720, 778336, 972920, 1197440, 1556672, 1945840, 3113344, 3891680, 7783360, 15566720]

約数ペア:

[(1, 15566720), (2, 7783360), (4, 3891680), (5, 3113344), (8, 1945840), (10, 1556672), (13, 1197440), (16, 972920), (20, 778336), (26, 598720), (32, 486460), (40, 389168), (52, 299360), (64, 243230), (65, 239488), (80, 194584), (104, 149680), (128, 121615), (130, 119744), (160, 97292), (208, 74840), (260, 59872), (320, 48646), (416, 37420), (520, 29936), (640, 24323), (832, 18710), (1040, 14968), (1664, 9355), (1871, 8320), (2080, 7484), (3742, 4160)]