81996240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:257

約数の個数: 160

約数和(自身を含む): 267411456

約数和(自身を除く): 185415216

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 103, 107, 120, 124, 155, 186, 206, 214, 240, 248, 309, 310, 321, 372, 412, 428, 465, 496, 515, 535, 618, 620, 642, 744, 824, 856, 930, 1030, 1070, 1236, 1240, 1284, 1488, 1545, 1605, 1648, 1712, 1860, 2060, 2140, 2472, 2480, 2568, 3090, 3193, 3210, 3317, 3720, 4120, 4280, 4944, 5136, 6180, 6386, 6420, 6634, 7440, 8240, 8560, 9579, 9951, 11021, 12360, 12772, 12840, 13268, 15965, 16585, 19158, 19902, 22042, 24720, 25544, 25680, 26536, 31930, 33063, 33170, 38316, 39804, 44084, 47895, 49755, 51088, 53072, 55105, 63860, 66126, 66340, 76632, 79608, 88168, 95790, 99510, 110210, 127720, 132252, 132680, 153264, 159216, 165315, 176336, 191580, 199020, 220420, 255440, 264504, 265360, 330630, 341651, 383160, 398040, 440840, 529008, 661260, 683302, 766320, 796080, 881680, 1024953, 1322520, 1366604, 1708255, 2049906, 2645040, 2733208, 3416510, 4099812, 5124765, 5466416, 6833020, 8199624, 10249530, 13666040, 16399248, 20499060, 27332080, 40998120, 81996240]

約数ペア:

[(1, 81996240), (2, 40998120), (3, 27332080), (4, 20499060), (5, 16399248), (6, 13666040), (8, 10249530), (10, 8199624), (12, 6833020), (15, 5466416), (16, 5124765), (20, 4099812), (24, 3416510), (30, 2733208), (31, 2645040), (40, 2049906), (48, 1708255), (60, 1366604), (62, 1322520), (80, 1024953), (93, 881680), (103, 796080), (107, 766320), (120, 683302), (124, 661260), (155, 529008), (186, 440840), (206, 398040), (214, 383160), (240, 341651), (248, 330630), (309, 265360), (310, 264504), (321, 255440), (372, 220420), (412, 199020), (428, 191580), (465, 176336), (496, 165315), (515, 159216), (535, 153264), (618, 132680), (620, 132252), (642, 127720), (744, 110210), (824, 99510), (856, 95790), (930, 88168), (1030, 79608), (1070, 76632), (1236, 66340), (1240, 66126), (1284, 63860), (1488, 55105), (1545, 53072), (1605, 51088), (1648, 49755), (1712, 47895), (1860, 44084), (2060, 39804), (2140, 38316), (2472, 33170), (2480, 33063), (2568, 31930), (3090, 26536), (3193, 25680), (3210, 25544), (3317, 24720), (3720, 22042), (4120, 19902), (4280, 19158), (4944, 16585), (5136, 15965), (6180, 13268), (6386, 12840), (6420, 12772), (6634, 12360), (7440, 11021), (8240, 9951), (8560, 9579)]