38901720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2267}}^1$

素因数の和:2305

約数の個数: 128

約数和(自身を含む): 137168640

約数和(自身を除く): 98266920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 26, 30, 33, 39, 40, 44, 52, 55, 60, 65, 66, 78, 88, 104, 110, 120, 130, 132, 143, 156, 165, 195, 220, 260, 264, 286, 312, 330, 390, 429, 440, 520, 572, 660, 715, 780, 858, 1144, 1320, 1430, 1560, 1716, 2145, 2267, 2860, 3432, 4290, 4534, 5720, 6801, 8580, 9068, 11335, 13602, 17160, 18136, 22670, 24937, 27204, 29471, 34005, 45340, 49874, 54408, 58942, 68010, 74811, 88413, 90680, 99748, 117884, 124685, 136020, 147355, 149622, 176826, 199496, 235768, 249370, 272040, 294710, 299244, 324181, 353652, 374055, 442065, 498740, 589420, 598488, 648362, 707304, 748110, 884130, 972543, 997480, 1178840, 1296724, 1496220, 1620905, 1768260, 1945086, 2593448, 2992440, 3241810, 3536520, 3890172, 4862715, 6483620, 7780344, 9725430, 12967240, 19450860, 38901720]

約数ペア:

[(1, 38901720), (2, 19450860), (3, 12967240), (4, 9725430), (5, 7780344), (6, 6483620), (8, 4862715), (10, 3890172), (11, 3536520), (12, 3241810), (13, 2992440), (15, 2593448), (20, 1945086), (22, 1768260), (24, 1620905), (26, 1496220), (30, 1296724), (33, 1178840), (39, 997480), (40, 972543), (44, 884130), (52, 748110), (55, 707304), (60, 648362), (65, 598488), (66, 589420), (78, 498740), (88, 442065), (104, 374055), (110, 353652), (120, 324181), (130, 299244), (132, 294710), (143, 272040), (156, 249370), (165, 235768), (195, 199496), (220, 176826), (260, 149622), (264, 147355), (286, 136020), (312, 124685), (330, 117884), (390, 99748), (429, 90680), (440, 88413), (520, 74811), (572, 68010), (660, 58942), (715, 54408), (780, 49874), (858, 45340), (1144, 34005), (1320, 29471), (1430, 27204), (1560, 24937), (1716, 22670), (2145, 18136), (2267, 17160), (2860, 13602), (3432, 11335), (4290, 9068), (4534, 8580), (5720, 6801)]