68390640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^2$

素因数の和:156

約数の個数: 180

約数和(自身を含む): 240126744

約数和(自身を除く): 171736104

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 43, 45, 47, 48, 60, 72, 80, 86, 90, 94, 120, 129, 141, 144, 172, 180, 188, 215, 235, 240, 258, 282, 344, 360, 376, 387, 423, 430, 470, 516, 564, 645, 688, 705, 720, 752, 774, 846, 860, 940, 1032, 1128, 1290, 1410, 1548, 1692, 1720, 1880, 1935, 2021, 2064, 2115, 2209, 2256, 2580, 2820, 3096, 3384, 3440, 3760, 3870, 4042, 4230, 4418, 5160, 5640, 6063, 6192, 6627, 6768, 7740, 8084, 8460, 8836, 10105, 10320, 11045, 11280, 12126, 13254, 15480, 16168, 16920, 17672, 18189, 19881, 20210, 22090, 24252, 26508, 30315, 30960, 32336, 33135, 33840, 35344, 36378, 39762, 40420, 44180, 48504, 53016, 60630, 66270, 72756, 79524, 80840, 88360, 90945, 94987, 97008, 99405, 106032, 121260, 132540, 145512, 159048, 161680, 176720, 181890, 189974, 198810, 242520, 265080, 284961, 291024, 318096, 363780, 379948, 397620, 474935, 485040, 530160, 569922, 727560, 759896, 795240, 854883, 949870, 1139844, 1424805, 1455120, 1519792, 1590480, 1709766, 1899740, 2279688, 2849610, 3419532, 3799480, 4274415, 4559376, 5699220, 6839064, 7598960, 8548830, 11398440, 13678128, 17097660, 22796880, 34195320, 68390640]

約数ペア:

[(1, 68390640), (2, 34195320), (3, 22796880), (4, 17097660), (5, 13678128), (6, 11398440), (8, 8548830), (9, 7598960), (10, 6839064), (12, 5699220), (15, 4559376), (16, 4274415), (18, 3799480), (20, 3419532), (24, 2849610), (30, 2279688), (36, 1899740), (40, 1709766), (43, 1590480), (45, 1519792), (47, 1455120), (48, 1424805), (60, 1139844), (72, 949870), (80, 854883), (86, 795240), (90, 759896), (94, 727560), (120, 569922), (129, 530160), (141, 485040), (144, 474935), (172, 397620), (180, 379948), (188, 363780), (215, 318096), (235, 291024), (240, 284961), (258, 265080), (282, 242520), (344, 198810), (360, 189974), (376, 181890), (387, 176720), (423, 161680), (430, 159048), (470, 145512), (516, 132540), (564, 121260), (645, 106032), (688, 99405), (705, 97008), (720, 94987), (752, 90945), (774, 88360), (846, 80840), (860, 79524), (940, 72756), (1032, 66270), (1128, 60630), (1290, 53016), (1410, 48504), (1548, 44180), (1692, 40420), (1720, 39762), (1880, 36378), (1935, 35344), (2021, 33840), (2064, 33135), (2115, 32336), (2209, 30960), (2256, 30315), (2580, 26508), (2820, 24252), (3096, 22090), (3384, 20210), (3440, 19881), (3760, 18189), (3870, 17672), (4042, 16920), (4230, 16168), (4418, 15480), (5160, 13254), (5640, 12126), (6063, 11280), (6192, 11045), (6627, 10320), (6768, 10105), (7740, 8836), (8084, 8460)]