991709040

素因数分解:

$2^4\times 3^1\times 5^1\times 7^4\times {\mathrm{1721}}^1$

素因数の和:1765

約数の個数: 200

約数和(自身を含む): 3588551568

約数和(自身を除く): 2596842528

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 343, 392, 420, 490, 560, 588, 686, 735, 784, 840, 980, 1029, 1176, 1372, 1470, 1680, 1715, 1721, 1960, 2058, 2352, 2401, 2744, 2940, 3430, 3442, 3920, 4116, 4802, 5145, 5163, 5488, 5880, 6860, 6884, 7203, 8232, 8605, 9604, 10290, 10326, 11760, 12005, 12047, 13720, 13768, 14406, 16464, 17210, 19208, 20580, 20652, 24010, 24094, 25815, 27440, 27536, 28812, 34420, 36015, 36141, 38416, 41160, 41304, 48020, 48188, 51630, 57624, 60235, 68840, 72030, 72282, 82320, 82608, 84329, 96040, 96376, 103260, 115248, 120470, 137680, 144060, 144564, 168658, 180705, 192080, 192752, 206520, 240940, 252987, 288120, 289128, 337316, 361410, 413040, 421645, 481880, 505974, 576240, 578256, 590303, 674632, 722820, 843290, 963760, 1011948, 1180606, 1264935, 1349264, 1445640, 1686580, 1770909, 2023896, 2361212, 2529870, 2891280, 2951515, 3373160, 3541818, 4047792, 4132121, 4722424, 5059740, 5903030, 6746320, 7083636, 8264242, 8854545, 9444848, 10119480, 11806060, 12396363, 14167272, 16528484, 17709090, 20238960, 20660605, 23612120, 24792726, 28334544, 33056968, 35418180, 41321210, 47224240, 49585452, 61981815, 66113936, 70836360, 82642420, 99170904, 123963630, 141672720, 165284840, 198341808, 247927260, 330569680, 495854520, 991709040]

約数ペア:

[(1, 991709040), (2, 495854520), (3, 330569680), (4, 247927260), (5, 198341808), (6, 165284840), (7, 141672720), (8, 123963630), (10, 99170904), (12, 82642420), (14, 70836360), (15, 66113936), (16, 61981815), (20, 49585452), (21, 47224240), (24, 41321210), (28, 35418180), (30, 33056968), (35, 28334544), (40, 24792726), (42, 23612120), (48, 20660605), (49, 20238960), (56, 17709090), (60, 16528484), (70, 14167272), (80, 12396363), (84, 11806060), (98, 10119480), (105, 9444848), (112, 8854545), (120, 8264242), (140, 7083636), (147, 6746320), (168, 5903030), (196, 5059740), (210, 4722424), (240, 4132121), (245, 4047792), (280, 3541818), (294, 3373160), (336, 2951515), (343, 2891280), (392, 2529870), (420, 2361212), (490, 2023896), (560, 1770909), (588, 1686580), (686, 1445640), (735, 1349264), (784, 1264935), (840, 1180606), (980, 1011948), (1029, 963760), (1176, 843290), (1372, 722820), (1470, 674632), (1680, 590303), (1715, 578256), (1721, 576240), (1960, 505974), (2058, 481880), (2352, 421645), (2401, 413040), (2744, 361410), (2940, 337316), (3430, 289128), (3442, 288120), (3920, 252987), (4116, 240940), (4802, 206520), (5145, 192752), (5163, 192080), (5488, 180705), (5880, 168658), (6860, 144564), (6884, 144060), (7203, 137680), (8232, 120470), (8605, 115248), (9604, 103260), (10290, 96376), (10326, 96040), (11760, 84329), (12005, 82608), (12047, 82320), (13720, 72282), (13768, 72030), (14406, 68840), (16464, 60235), (17210, 57624), (19208, 51630), (20580, 48188), (20652, 48020), (24010, 41304), (24094, 41160), (25815, 38416), (27440, 36141), (27536, 36015), (28812, 34420)]