681780960

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{283}}^1$

素因数の和:550

約数の個数: 288

約数和(自身を含む): 2679505920

約数和(自身を除く): 1997724960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 239, 240, 252, 280, 283, 288, 315, 336, 360, 420, 478, 480, 504, 560, 566, 630, 672, 717, 720, 840, 849, 956, 1008, 1120, 1132, 1195, 1260, 1415, 1434, 1440, 1673, 1680, 1698, 1912, 1981, 2016, 2151, 2264, 2390, 2520, 2547, 2830, 2868, 3346, 3360, 3396, 3585, 3824, 3962, 4245, 4302, 4528, 4780, 5019, 5040, 5094, 5660, 5736, 5943, 6692, 6792, 7170, 7648, 7924, 8365, 8490, 8604, 9056, 9560, 9905, 10038, 10080, 10188, 10755, 11320, 11472, 11886, 12735, 13384, 13584, 14340, 15057, 15848, 16730, 16980, 17208, 17829, 19120, 19810, 20076, 20376, 21510, 22640, 22944, 23772, 25095, 25470, 26768, 27168, 28680, 29715, 30114, 31696, 33460, 33960, 34416, 35658, 38240, 39620, 40152, 40752, 43020, 45280, 47544, 50190, 50940, 53536, 57360, 59430, 60228, 63392, 66920, 67637, 67920, 68832, 71316, 75285, 79240, 80304, 81504, 86040, 89145, 95088, 100380, 101880, 114720, 118860, 120456, 133840, 135274, 135840, 142632, 150570, 158480, 160608, 172080, 178290, 190176, 200760, 202911, 203760, 237720, 240912, 267680, 270548, 285264, 301140, 316960, 338185, 344160, 356580, 401520, 405822, 407520, 473459, 475440, 481824, 541096, 570528, 602280, 608733, 676370, 713160, 803040, 811644, 946918, 950880, 1014555, 1082192, 1204560, 1217466, 1352740, 1420377, 1426320, 1623288, 1893836, 2029110, 2164384, 2367295, 2409120, 2434932, 2705480, 2840754, 2852640, 3043665, 3246576, 3787672, 4058220, 4261131, 4734590, 4869864, 5410960, 5681508, 6087330, 6493152, 7101885, 7575344, 8116440, 8522262, 9469180, 9739728, 10821920, 11363016, 12174660, 14203770, 15150688, 16232880, 17044524, 18938360, 19479456, 21305655, 22726032, 24349320, 28407540, 32465760, 34089048, 37876720, 42611310, 45452064, 48698640, 56815080, 68178096, 75753440, 85222620, 97397280, 113630160, 136356192, 170445240, 227260320, 340890480, 681780960]

約数ペア:

[(1, 681780960), (2, 340890480), (3, 227260320), (4, 170445240), (5, 136356192), (6, 113630160), (7, 97397280), (8, 85222620), (9, 75753440), (10, 68178096), (12, 56815080), (14, 48698640), (15, 45452064), (16, 42611310), (18, 37876720), (20, 34089048), (21, 32465760), (24, 28407540), (28, 24349320), (30, 22726032), (32, 21305655), (35, 19479456), (36, 18938360), (40, 17044524), (42, 16232880), (45, 15150688), (48, 14203770), (56, 12174660), (60, 11363016), (63, 10821920), (70, 9739728), (72, 9469180), (80, 8522262), (84, 8116440), (90, 7575344), (96, 7101885), (105, 6493152), (112, 6087330), (120, 5681508), (126, 5410960), (140, 4869864), (144, 4734590), (160, 4261131), (168, 4058220), (180, 3787672), (210, 3246576), (224, 3043665), (239, 2852640), (240, 2840754), (252, 2705480), (280, 2434932), (283, 2409120), (288, 2367295), (315, 2164384), (336, 2029110), (360, 1893836), (420, 1623288), (478, 1426320), (480, 1420377), (504, 1352740), (560, 1217466), (566, 1204560), (630, 1082192), (672, 1014555), (717, 950880), (720, 946918), (840, 811644), (849, 803040), (956, 713160), (1008, 676370), (1120, 608733), (1132, 602280), (1195, 570528), (1260, 541096), (1415, 481824), (1434, 475440), (1440, 473459), (1673, 407520), (1680, 405822), (1698, 401520), (1912, 356580), (1981, 344160), (2016, 338185), (2151, 316960), (2264, 301140), (2390, 285264), (2520, 270548), (2547, 267680), (2830, 240912), (2868, 237720), (3346, 203760), (3360, 202911), (3396, 200760), (3585, 190176), (3824, 178290), (3962, 172080), (4245, 160608), (4302, 158480), (4528, 150570), (4780, 142632), (5019, 135840), (5040, 135274), (5094, 133840), (5660, 120456), (5736, 118860), (5943, 114720), (6692, 101880), (6792, 100380), (7170, 95088), (7648, 89145), (7924, 86040), (8365, 81504), (8490, 80304), (8604, 79240), (9056, 75285), (9560, 71316), (9905, 68832), (10038, 67920), (10080, 67637), (10188, 66920), (10755, 63392), (11320, 60228), (11472, 59430), (11886, 57360), (12735, 53536), (13384, 50940), (13584, 50190), (14340, 47544), (15057, 45280), (15848, 43020), (16730, 40752), (16980, 40152), (17208, 39620), (17829, 38240), (19120, 35658), (19810, 34416), (20076, 33960), (20376, 33460), (21510, 31696), (22640, 30114), (22944, 29715), (23772, 28680), (25095, 27168), (25470, 26768)]