206393040

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1321}}^1$

素因数の和:1378

約数の個数: 240

約数和(自身を含む): 818328576

約数和(自身を除く): 611935536

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 48, 56, 60, 62, 63, 70, 72, 80, 84, 90, 93, 105, 112, 120, 124, 126, 140, 144, 155, 168, 180, 186, 210, 217, 240, 248, 252, 279, 280, 310, 315, 336, 360, 372, 420, 434, 465, 496, 504, 558, 560, 620, 630, 651, 720, 744, 840, 868, 930, 1008, 1085, 1116, 1240, 1260, 1302, 1321, 1395, 1488, 1680, 1736, 1860, 1953, 2170, 2232, 2480, 2520, 2604, 2642, 2790, 3255, 3472, 3720, 3906, 3963, 4340, 4464, 5040, 5208, 5284, 5580, 6510, 6605, 7440, 7812, 7926, 8680, 9247, 9765, 10416, 10568, 11160, 11889, 13020, 13210, 15624, 15852, 17360, 18494, 19530, 19815, 21136, 22320, 23778, 26040, 26420, 27741, 31248, 31704, 36988, 39060, 39630, 40951, 46235, 47556, 52080, 52840, 55482, 59445, 63408, 73976, 78120, 79260, 81902, 83223, 92470, 95112, 105680, 110964, 118890, 122853, 138705, 147952, 156240, 158520, 163804, 166446, 184940, 190224, 204755, 221928, 237780, 245706, 277410, 286657, 317040, 327608, 332892, 368559, 369880, 409510, 416115, 443856, 475560, 491412, 554820, 573314, 614265, 655216, 665784, 737118, 739760, 819020, 832230, 859971, 951120, 982824, 1109640, 1146628, 1228530, 1331568, 1433285, 1474236, 1638040, 1664460, 1719942, 1842795, 1965648, 2219280, 2293256, 2457060, 2579913, 2866570, 2948472, 3276080, 3328920, 3439884, 3685590, 4299855, 4586512, 4914120, 5159826, 5733140, 5896944, 6657840, 6879768, 7371180, 8599710, 9828240, 10319652, 11466280, 12899565, 13759536, 14742360, 17199420, 20639304, 22932560, 25799130, 29484720, 34398840, 41278608, 51598260, 68797680, 103196520, 206393040]

約数ペア:

[(1, 206393040), (2, 103196520), (3, 68797680), (4, 51598260), (5, 41278608), (6, 34398840), (7, 29484720), (8, 25799130), (9, 22932560), (10, 20639304), (12, 17199420), (14, 14742360), (15, 13759536), (16, 12899565), (18, 11466280), (20, 10319652), (21, 9828240), (24, 8599710), (28, 7371180), (30, 6879768), (31, 6657840), (35, 5896944), (36, 5733140), (40, 5159826), (42, 4914120), (45, 4586512), (48, 4299855), (56, 3685590), (60, 3439884), (62, 3328920), (63, 3276080), (70, 2948472), (72, 2866570), (80, 2579913), (84, 2457060), (90, 2293256), (93, 2219280), (105, 1965648), (112, 1842795), (120, 1719942), (124, 1664460), (126, 1638040), (140, 1474236), (144, 1433285), (155, 1331568), (168, 1228530), (180, 1146628), (186, 1109640), (210, 982824), (217, 951120), (240, 859971), (248, 832230), (252, 819020), (279, 739760), (280, 737118), (310, 665784), (315, 655216), (336, 614265), (360, 573314), (372, 554820), (420, 491412), (434, 475560), (465, 443856), (496, 416115), (504, 409510), (558, 369880), (560, 368559), (620, 332892), (630, 327608), (651, 317040), (720, 286657), (744, 277410), (840, 245706), (868, 237780), (930, 221928), (1008, 204755), (1085, 190224), (1116, 184940), (1240, 166446), (1260, 163804), (1302, 158520), (1321, 156240), (1395, 147952), (1488, 138705), (1680, 122853), (1736, 118890), (1860, 110964), (1953, 105680), (2170, 95112), (2232, 92470), (2480, 83223), (2520, 81902), (2604, 79260), (2642, 78120), (2790, 73976), (3255, 63408), (3472, 59445), (3720, 55482), (3906, 52840), (3963, 52080), (4340, 47556), (4464, 46235), (5040, 40951), (5208, 39630), (5284, 39060), (5580, 36988), (6510, 31704), (6605, 31248), (7440, 27741), (7812, 26420), (7926, 26040), (8680, 23778), (9247, 22320), (9765, 21136), (10416, 19815), (10568, 19530), (11160, 18494), (11889, 17360), (13020, 15852), (13210, 15624)]