71963320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{547}}^1$

素因数の和:605

約数の個数: 128

約数和(自身を含む): 198858240

約数和(自身を除く): 126894920

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 23, 26, 40, 44, 46, 52, 55, 65, 88, 92, 104, 110, 115, 130, 143, 184, 220, 230, 253, 260, 286, 299, 440, 460, 506, 520, 547, 572, 598, 715, 920, 1012, 1094, 1144, 1196, 1265, 1430, 1495, 2024, 2188, 2392, 2530, 2735, 2860, 2990, 3289, 4376, 5060, 5470, 5720, 5980, 6017, 6578, 7111, 10120, 10940, 11960, 12034, 12581, 13156, 14222, 16445, 21880, 24068, 25162, 26312, 28444, 30085, 32890, 35555, 48136, 50324, 56888, 60170, 62905, 65780, 71110, 78221, 100648, 120340, 125810, 131560, 138391, 142220, 156442, 163553, 240680, 251620, 276782, 284440, 312884, 327106, 391105, 503240, 553564, 625768, 654212, 691955, 782210, 817765, 1107128, 1308424, 1383910, 1564420, 1635530, 1799083, 2767820, 3128840, 3271060, 3598166, 5535640, 6542120, 7196332, 8995415, 14392664, 17990830, 35981660, 71963320]

約数ペア:

[(1, 71963320), (2, 35981660), (4, 17990830), (5, 14392664), (8, 8995415), (10, 7196332), (11, 6542120), (13, 5535640), (20, 3598166), (22, 3271060), (23, 3128840), (26, 2767820), (40, 1799083), (44, 1635530), (46, 1564420), (52, 1383910), (55, 1308424), (65, 1107128), (88, 817765), (92, 782210), (104, 691955), (110, 654212), (115, 625768), (130, 553564), (143, 503240), (184, 391105), (220, 327106), (230, 312884), (253, 284440), (260, 276782), (286, 251620), (299, 240680), (440, 163553), (460, 156442), (506, 142220), (520, 138391), (547, 131560), (572, 125810), (598, 120340), (715, 100648), (920, 78221), (1012, 71110), (1094, 65780), (1144, 62905), (1196, 60170), (1265, 56888), (1430, 50324), (1495, 48136), (2024, 35555), (2188, 32890), (2392, 30085), (2530, 28444), (2735, 26312), (2860, 25162), (2990, 24068), (3289, 21880), (4376, 16445), (5060, 14222), (5470, 13156), (5720, 12581), (5980, 12034), (6017, 11960), (6578, 10940), (7111, 10120)]