205899480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{283}}^1$

素因数の和:390

約数の個数: 192

約数和(自身を含む): 701775360

約数和(自身を除く): 495875880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 43, 45, 47, 60, 72, 86, 90, 94, 120, 129, 141, 172, 180, 188, 215, 235, 258, 282, 283, 344, 360, 376, 387, 423, 430, 470, 516, 564, 566, 645, 705, 774, 846, 849, 860, 940, 1032, 1128, 1132, 1290, 1410, 1415, 1548, 1692, 1698, 1720, 1880, 1935, 2021, 2115, 2264, 2547, 2580, 2820, 2830, 3096, 3384, 3396, 3870, 4042, 4230, 4245, 5094, 5160, 5640, 5660, 6063, 6792, 7740, 8084, 8460, 8490, 10105, 10188, 11320, 12126, 12169, 12735, 13301, 15480, 16168, 16920, 16980, 18189, 20210, 20376, 24252, 24338, 25470, 26602, 30315, 33960, 36378, 36507, 39903, 40420, 48504, 48676, 50940, 53204, 60630, 60845, 66505, 72756, 73014, 79806, 80840, 90945, 97352, 101880, 106408, 109521, 119709, 121260, 121690, 133010, 145512, 146028, 159612, 181890, 182535, 199515, 219042, 239418, 242520, 243380, 266020, 292056, 319224, 363780, 365070, 399030, 438084, 478836, 486760, 532040, 547605, 571943, 598545, 727560, 730140, 798060, 876168, 957672, 1095210, 1143886, 1197090, 1460280, 1596120, 1715829, 2190420, 2287772, 2394180, 2859715, 3431658, 4380840, 4575544, 4788360, 5147487, 5719430, 6863316, 8579145, 10294974, 11438860, 13726632, 17158290, 20589948, 22877720, 25737435, 34316580, 41179896, 51474870, 68633160, 102949740, 205899480]

約数ペア:

[(1, 205899480), (2, 102949740), (3, 68633160), (4, 51474870), (5, 41179896), (6, 34316580), (8, 25737435), (9, 22877720), (10, 20589948), (12, 17158290), (15, 13726632), (18, 11438860), (20, 10294974), (24, 8579145), (30, 6863316), (36, 5719430), (40, 5147487), (43, 4788360), (45, 4575544), (47, 4380840), (60, 3431658), (72, 2859715), (86, 2394180), (90, 2287772), (94, 2190420), (120, 1715829), (129, 1596120), (141, 1460280), (172, 1197090), (180, 1143886), (188, 1095210), (215, 957672), (235, 876168), (258, 798060), (282, 730140), (283, 727560), (344, 598545), (360, 571943), (376, 547605), (387, 532040), (423, 486760), (430, 478836), (470, 438084), (516, 399030), (564, 365070), (566, 363780), (645, 319224), (705, 292056), (774, 266020), (846, 243380), (849, 242520), (860, 239418), (940, 219042), (1032, 199515), (1128, 182535), (1132, 181890), (1290, 159612), (1410, 146028), (1415, 145512), (1548, 133010), (1692, 121690), (1698, 121260), (1720, 119709), (1880, 109521), (1935, 106408), (2021, 101880), (2115, 97352), (2264, 90945), (2547, 80840), (2580, 79806), (2820, 73014), (2830, 72756), (3096, 66505), (3384, 60845), (3396, 60630), (3870, 53204), (4042, 50940), (4230, 48676), (4245, 48504), (5094, 40420), (5160, 39903), (5640, 36507), (5660, 36378), (6063, 33960), (6792, 30315), (7740, 26602), (8084, 25470), (8460, 24338), (8490, 24252), (10105, 20376), (10188, 20210), (11320, 18189), (12126, 16980), (12169, 16920), (12735, 16168), (13301, 15480)]