257043240

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{29}}^2\times {\mathrm{283}}^1$

素因数の和:361

約数の個数: 192

約数和(自身を含む): 890510400

約数和(自身を除く): 633467160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 29, 30, 36, 40, 45, 54, 58, 60, 72, 87, 90, 108, 116, 120, 135, 145, 174, 180, 216, 232, 261, 270, 283, 290, 348, 360, 435, 522, 540, 566, 580, 696, 783, 841, 849, 870, 1044, 1080, 1132, 1160, 1305, 1415, 1566, 1682, 1698, 1740, 2088, 2264, 2523, 2547, 2610, 2830, 3132, 3364, 3396, 3480, 3915, 4205, 4245, 5046, 5094, 5220, 5660, 6264, 6728, 6792, 7569, 7641, 7830, 8207, 8410, 8490, 10092, 10188, 10440, 11320, 12615, 12735, 15138, 15282, 15660, 16414, 16820, 16980, 20184, 20376, 22707, 24621, 25230, 25470, 30276, 30564, 31320, 32828, 33640, 33960, 37845, 38205, 41035, 45414, 49242, 50460, 50940, 60552, 61128, 65656, 73863, 75690, 76410, 82070, 90828, 98484, 100920, 101880, 113535, 123105, 147726, 151380, 152820, 164140, 181656, 196968, 221589, 227070, 238003, 246210, 295452, 302760, 305640, 328280, 369315, 443178, 454140, 476006, 492420, 590904, 714009, 738630, 886356, 908280, 952012, 984840, 1107945, 1190015, 1428018, 1477260, 1772712, 1904024, 2142027, 2215890, 2380030, 2856036, 2954520, 3570045, 4284054, 4431780, 4760060, 5712072, 6426081, 7140090, 8568108, 8863560, 9520120, 10710135, 12852162, 14280180, 17136216, 21420270, 25704324, 28560360, 32130405, 42840540, 51408648, 64260810, 85681080, 128521620, 257043240]

約数ペア:

[(1, 257043240), (2, 128521620), (3, 85681080), (4, 64260810), (5, 51408648), (6, 42840540), (8, 32130405), (9, 28560360), (10, 25704324), (12, 21420270), (15, 17136216), (18, 14280180), (20, 12852162), (24, 10710135), (27, 9520120), (29, 8863560), (30, 8568108), (36, 7140090), (40, 6426081), (45, 5712072), (54, 4760060), (58, 4431780), (60, 4284054), (72, 3570045), (87, 2954520), (90, 2856036), (108, 2380030), (116, 2215890), (120, 2142027), (135, 1904024), (145, 1772712), (174, 1477260), (180, 1428018), (216, 1190015), (232, 1107945), (261, 984840), (270, 952012), (283, 908280), (290, 886356), (348, 738630), (360, 714009), (435, 590904), (522, 492420), (540, 476006), (566, 454140), (580, 443178), (696, 369315), (783, 328280), (841, 305640), (849, 302760), (870, 295452), (1044, 246210), (1080, 238003), (1132, 227070), (1160, 221589), (1305, 196968), (1415, 181656), (1566, 164140), (1682, 152820), (1698, 151380), (1740, 147726), (2088, 123105), (2264, 113535), (2523, 101880), (2547, 100920), (2610, 98484), (2830, 90828), (3132, 82070), (3364, 76410), (3396, 75690), (3480, 73863), (3915, 65656), (4205, 61128), (4245, 60552), (5046, 50940), (5094, 50460), (5220, 49242), (5660, 45414), (6264, 41035), (6728, 38205), (6792, 37845), (7569, 33960), (7641, 33640), (7830, 32828), (8207, 31320), (8410, 30564), (8490, 30276), (10092, 25470), (10188, 25230), (10440, 24621), (11320, 22707), (12615, 20376), (12735, 20184), (15138, 16980), (15282, 16820), (15660, 16414)]