255752760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{283}}^1\times {\mathrm{443}}^1$

素因数の和:757

約数の個数: 128

約数和(自身を含む): 817102080

約数和(自身を除く): 561349320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 283, 340, 408, 443, 510, 566, 680, 849, 886, 1020, 1132, 1329, 1415, 1698, 1772, 2040, 2215, 2264, 2658, 2830, 3396, 3544, 4245, 4430, 4811, 5316, 5660, 6645, 6792, 7531, 8490, 8860, 9622, 10632, 11320, 13290, 14433, 15062, 16980, 17720, 19244, 22593, 24055, 26580, 28866, 30124, 33960, 37655, 38488, 45186, 48110, 53160, 57732, 60248, 72165, 75310, 90372, 96220, 112965, 115464, 125369, 144330, 150620, 180744, 192440, 225930, 250738, 288660, 301240, 376107, 451860, 501476, 577320, 626845, 752214, 903720, 1002952, 1253690, 1504428, 1880535, 2131273, 2507380, 3008856, 3761070, 4262546, 5014760, 6393819, 7522140, 8525092, 10656365, 12787638, 15044280, 17050184, 21312730, 25575276, 31969095, 42625460, 51150552, 63938190, 85250920, 127876380, 255752760]

約数ペア:

[(1, 255752760), (2, 127876380), (3, 85250920), (4, 63938190), (5, 51150552), (6, 42625460), (8, 31969095), (10, 25575276), (12, 21312730), (15, 17050184), (17, 15044280), (20, 12787638), (24, 10656365), (30, 8525092), (34, 7522140), (40, 6393819), (51, 5014760), (60, 4262546), (68, 3761070), (85, 3008856), (102, 2507380), (120, 2131273), (136, 1880535), (170, 1504428), (204, 1253690), (255, 1002952), (283, 903720), (340, 752214), (408, 626845), (443, 577320), (510, 501476), (566, 451860), (680, 376107), (849, 301240), (886, 288660), (1020, 250738), (1132, 225930), (1329, 192440), (1415, 180744), (1698, 150620), (1772, 144330), (2040, 125369), (2215, 115464), (2264, 112965), (2658, 96220), (2830, 90372), (3396, 75310), (3544, 72165), (4245, 60248), (4430, 57732), (4811, 53160), (5316, 48110), (5660, 45186), (6645, 38488), (6792, 37655), (7531, 33960), (8490, 30124), (8860, 28866), (9622, 26580), (10632, 24055), (11320, 22593), (13290, 19244), (14433, 17720), (15062, 16980)]