128924880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{577}}^1$

素因数の和:626

約数の個数: 240

約数和(自身を含む): 490236480

約数和(自身を除く): 361311600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 48, 49, 56, 57, 60, 70, 76, 80, 84, 95, 98, 105, 112, 114, 120, 133, 140, 147, 152, 168, 190, 196, 210, 228, 240, 245, 266, 280, 285, 294, 304, 336, 380, 392, 399, 420, 456, 490, 532, 560, 570, 577, 588, 665, 735, 760, 784, 798, 840, 912, 931, 980, 1064, 1140, 1154, 1176, 1330, 1470, 1520, 1596, 1680, 1731, 1862, 1960, 1995, 2128, 2280, 2308, 2352, 2660, 2793, 2885, 2940, 3192, 3462, 3724, 3920, 3990, 4039, 4560, 4616, 4655, 5320, 5586, 5770, 5880, 6384, 6924, 7448, 7980, 8078, 8655, 9232, 9310, 10640, 10963, 11172, 11540, 11760, 12117, 13848, 13965, 14896, 15960, 16156, 17310, 18620, 20195, 21926, 22344, 23080, 24234, 27696, 27930, 28273, 31920, 32312, 32889, 34620, 37240, 40390, 43852, 44688, 46160, 48468, 54815, 55860, 56546, 60585, 64624, 65778, 69240, 74480, 76741, 80780, 84819, 87704, 96936, 109630, 111720, 113092, 121170, 131556, 138480, 141365, 153482, 161560, 164445, 169638, 175408, 193872, 219260, 223440, 226184, 230223, 242340, 263112, 282730, 306964, 323120, 328890, 339276, 383705, 424095, 438520, 452368, 460446, 484680, 526224, 537187, 565460, 613928, 657780, 678552, 767410, 848190, 877040, 920892, 969360, 1074374, 1130920, 1151115, 1227856, 1315560, 1357104, 1534820, 1611561, 1696380, 1841784, 2148748, 2261840, 2302230, 2631120, 2685935, 3069640, 3223122, 3392760, 3683568, 4297496, 4604460, 5371870, 6139280, 6446244, 6785520, 8057805, 8594992, 9208920, 10743740, 12892488, 16115610, 18417840, 21487480, 25784976, 32231220, 42974960, 64462440, 128924880]

約数ペア:

[(1, 128924880), (2, 64462440), (3, 42974960), (4, 32231220), (5, 25784976), (6, 21487480), (7, 18417840), (8, 16115610), (10, 12892488), (12, 10743740), (14, 9208920), (15, 8594992), (16, 8057805), (19, 6785520), (20, 6446244), (21, 6139280), (24, 5371870), (28, 4604460), (30, 4297496), (35, 3683568), (38, 3392760), (40, 3223122), (42, 3069640), (48, 2685935), (49, 2631120), (56, 2302230), (57, 2261840), (60, 2148748), (70, 1841784), (76, 1696380), (80, 1611561), (84, 1534820), (95, 1357104), (98, 1315560), (105, 1227856), (112, 1151115), (114, 1130920), (120, 1074374), (133, 969360), (140, 920892), (147, 877040), (152, 848190), (168, 767410), (190, 678552), (196, 657780), (210, 613928), (228, 565460), (240, 537187), (245, 526224), (266, 484680), (280, 460446), (285, 452368), (294, 438520), (304, 424095), (336, 383705), (380, 339276), (392, 328890), (399, 323120), (420, 306964), (456, 282730), (490, 263112), (532, 242340), (560, 230223), (570, 226184), (577, 223440), (588, 219260), (665, 193872), (735, 175408), (760, 169638), (784, 164445), (798, 161560), (840, 153482), (912, 141365), (931, 138480), (980, 131556), (1064, 121170), (1140, 113092), (1154, 111720), (1176, 109630), (1330, 96936), (1470, 87704), (1520, 84819), (1596, 80780), (1680, 76741), (1731, 74480), (1862, 69240), (1960, 65778), (1995, 64624), (2128, 60585), (2280, 56546), (2308, 55860), (2352, 54815), (2660, 48468), (2793, 46160), (2885, 44688), (2940, 43852), (3192, 40390), (3462, 37240), (3724, 34620), (3920, 32889), (3990, 32312), (4039, 31920), (4560, 28273), (4616, 27930), (4655, 27696), (5320, 24234), (5586, 23080), (5770, 22344), (5880, 21926), (6384, 20195), (6924, 18620), (7448, 17310), (7980, 16156), (8078, 15960), (8655, 14896), (9232, 13965), (9310, 13848), (10640, 12117), (10963, 11760), (11172, 11540)]