1320452560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:294

約数の個数: 240

約数和(自身を含む): 3837254400

約数和(自身を除く): 2516801840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 41, 56, 68, 70, 80, 82, 85, 112, 119, 136, 140, 164, 170, 199, 205, 238, 272, 280, 287, 289, 328, 340, 398, 410, 476, 560, 574, 578, 595, 656, 680, 697, 796, 820, 952, 995, 1148, 1156, 1190, 1360, 1393, 1394, 1435, 1445, 1592, 1640, 1904, 1990, 2023, 2296, 2312, 2380, 2786, 2788, 2870, 2890, 3184, 3280, 3383, 3485, 3980, 4046, 4592, 4624, 4760, 4879, 5572, 5576, 5740, 5780, 6766, 6965, 6970, 7960, 8092, 8159, 9520, 9758, 10115, 11144, 11152, 11480, 11560, 11849, 13532, 13930, 13940, 15920, 16184, 16318, 16915, 19516, 20230, 22288, 22960, 23120, 23681, 23698, 24395, 27064, 27860, 27880, 32368, 32636, 33830, 39032, 40460, 40795, 47362, 47396, 48790, 54128, 55720, 55760, 57113, 57511, 59245, 65272, 67660, 78064, 80920, 81590, 82943, 94724, 94792, 97580, 111440, 114226, 115022, 118405, 118490, 130544, 135320, 138703, 161840, 163180, 165886, 189448, 189584, 195160, 228452, 230044, 236810, 236980, 270640, 277406, 285565, 287555, 326360, 331772, 378896, 390320, 402577, 414715, 456904, 460088, 473620, 473960, 554812, 571130, 575110, 652720, 663544, 693515, 805154, 829430, 913808, 920176, 947240, 947920, 970921, 1109624, 1142260, 1150220, 1327088, 1387030, 1610308, 1658860, 1894480, 1941842, 2012885, 2219248, 2284520, 2300440, 2357951, 2774060, 3220616, 3317720, 3883684, 4025770, 4569040, 4600880, 4715902, 4854605, 5548120, 6441232, 6635440, 7767368, 8051540, 9431804, 9709210, 11096240, 11789755, 15534736, 16103080, 16505657, 18863608, 19418420, 23579510, 32206160, 33011314, 37727216, 38836840, 47159020, 66022628, 77673680, 82528285, 94318040, 132045256, 165056570, 188636080, 264090512, 330113140, 660226280, 1320452560]

約数ペア:

[(1, 1320452560), (2, 660226280), (4, 330113140), (5, 264090512), (7, 188636080), (8, 165056570), (10, 132045256), (14, 94318040), (16, 82528285), (17, 77673680), (20, 66022628), (28, 47159020), (34, 38836840), (35, 37727216), (40, 33011314), (41, 32206160), (56, 23579510), (68, 19418420), (70, 18863608), (80, 16505657), (82, 16103080), (85, 15534736), (112, 11789755), (119, 11096240), (136, 9709210), (140, 9431804), (164, 8051540), (170, 7767368), (199, 6635440), (205, 6441232), (238, 5548120), (272, 4854605), (280, 4715902), (287, 4600880), (289, 4569040), (328, 4025770), (340, 3883684), (398, 3317720), (410, 3220616), (476, 2774060), (560, 2357951), (574, 2300440), (578, 2284520), (595, 2219248), (656, 2012885), (680, 1941842), (697, 1894480), (796, 1658860), (820, 1610308), (952, 1387030), (995, 1327088), (1148, 1150220), (1156, 1142260), (1190, 1109624), (1360, 970921), (1393, 947920), (1394, 947240), (1435, 920176), (1445, 913808), (1592, 829430), (1640, 805154), (1904, 693515), (1990, 663544), (2023, 652720), (2296, 575110), (2312, 571130), (2380, 554812), (2786, 473960), (2788, 473620), (2870, 460088), (2890, 456904), (3184, 414715), (3280, 402577), (3383, 390320), (3485, 378896), (3980, 331772), (4046, 326360), (4592, 287555), (4624, 285565), (4760, 277406), (4879, 270640), (5572, 236980), (5576, 236810), (5740, 230044), (5780, 228452), (6766, 195160), (6965, 189584), (6970, 189448), (7960, 165886), (8092, 163180), (8159, 161840), (9520, 138703), (9758, 135320), (10115, 130544), (11144, 118490), (11152, 118405), (11480, 115022), (11560, 114226), (11849, 111440), (13532, 97580), (13930, 94792), (13940, 94724), (15920, 82943), (16184, 81590), (16318, 80920), (16915, 78064), (19516, 67660), (20230, 65272), (22288, 59245), (22960, 57511), (23120, 57113), (23681, 55760), (23698, 55720), (24395, 54128), (27064, 48790), (27860, 47396), (27880, 47362), (32368, 40795), (32636, 40460), (33830, 39032)]