27916720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1579}}^1$

素因数の和:1622

約数の個数: 80

約数和(自身を含む): 74057760

約数和(自身を除く): 46141040

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 442, 520, 680, 884, 1040, 1105, 1360, 1579, 1768, 2210, 3158, 3536, 4420, 6316, 7895, 8840, 12632, 15790, 17680, 20527, 25264, 26843, 31580, 41054, 53686, 63160, 82108, 102635, 107372, 126320, 134215, 164216, 205270, 214744, 268430, 328432, 348959, 410540, 429488, 536860, 697918, 821080, 1073720, 1395836, 1642160, 1744795, 2147440, 2791672, 3489590, 5583344, 6979180, 13958360, 27916720]

約数ペア:

[(1, 27916720), (2, 13958360), (4, 6979180), (5, 5583344), (8, 3489590), (10, 2791672), (13, 2147440), (16, 1744795), (17, 1642160), (20, 1395836), (26, 1073720), (34, 821080), (40, 697918), (52, 536860), (65, 429488), (68, 410540), (80, 348959), (85, 328432), (104, 268430), (130, 214744), (136, 205270), (170, 164216), (208, 134215), (221, 126320), (260, 107372), (272, 102635), (340, 82108), (442, 63160), (520, 53686), (680, 41054), (884, 31580), (1040, 26843), (1105, 25264), (1360, 20527), (1579, 17680), (1768, 15790), (2210, 12632), (3158, 8840), (3536, 7895), (4420, 6316)]