128402560

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:127

約数の個数: 256

約数和(自身を含む): 382475520

約数和(自身を除く): 254072960

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 23, 26, 32, 40, 44, 46, 52, 55, 61, 64, 65, 80, 88, 92, 104, 110, 115, 122, 128, 130, 143, 160, 176, 184, 208, 220, 230, 244, 253, 260, 286, 299, 305, 320, 352, 368, 416, 440, 460, 488, 506, 520, 572, 598, 610, 640, 671, 704, 715, 736, 793, 832, 880, 920, 976, 1012, 1040, 1144, 1196, 1220, 1265, 1342, 1403, 1408, 1430, 1472, 1495, 1586, 1664, 1760, 1840, 1952, 2024, 2080, 2288, 2392, 2440, 2530, 2684, 2806, 2860, 2944, 2990, 3172, 3289, 3355, 3520, 3680, 3904, 3965, 4048, 4160, 4576, 4784, 4880, 5060, 5368, 5612, 5720, 5980, 6344, 6578, 6710, 7015, 7040, 7360, 7808, 7930, 8096, 8320, 8723, 9152, 9568, 9760, 10120, 10736, 11224, 11440, 11960, 12688, 13156, 13420, 14030, 14720, 15433, 15860, 16192, 16445, 17446, 18239, 18304, 19136, 19520, 20240, 21472, 22448, 22880, 23920, 25376, 26312, 26840, 28060, 30866, 31720, 32384, 32890, 34892, 36478, 38272, 39040, 40480, 42944, 43615, 44896, 45760, 47840, 50752, 52624, 53680, 56120, 61732, 63440, 65780, 69784, 72956, 77165, 80960, 85888, 87230, 89792, 91195, 91520, 95680, 101504, 105248, 107360, 112240, 123464, 126880, 131560, 139568, 145912, 154330, 161920, 174460, 179584, 182390, 191360, 200629, 210496, 214720, 224480, 246928, 253760, 263120, 279136, 291824, 308660, 348920, 364780, 401258, 420992, 429440, 448960, 493856, 507520, 526240, 558272, 583648, 617320, 697840, 729560, 802516, 897920, 987712, 1003145, 1052480, 1116544, 1167296, 1234640, 1395680, 1459120, 1605032, 1975424, 2006290, 2104960, 2334592, 2469280, 2791360, 2918240, 3210064, 4012580, 4938560, 5582720, 5836480, 6420128, 8025160, 9877120, 11672960, 12840256, 16050320, 25680512, 32100640, 64201280, 128402560]

約数ペア:

[(1, 128402560), (2, 64201280), (4, 32100640), (5, 25680512), (8, 16050320), (10, 12840256), (11, 11672960), (13, 9877120), (16, 8025160), (20, 6420128), (22, 5836480), (23, 5582720), (26, 4938560), (32, 4012580), (40, 3210064), (44, 2918240), (46, 2791360), (52, 2469280), (55, 2334592), (61, 2104960), (64, 2006290), (65, 1975424), (80, 1605032), (88, 1459120), (92, 1395680), (104, 1234640), (110, 1167296), (115, 1116544), (122, 1052480), (128, 1003145), (130, 987712), (143, 897920), (160, 802516), (176, 729560), (184, 697840), (208, 617320), (220, 583648), (230, 558272), (244, 526240), (253, 507520), (260, 493856), (286, 448960), (299, 429440), (305, 420992), (320, 401258), (352, 364780), (368, 348920), (416, 308660), (440, 291824), (460, 279136), (488, 263120), (506, 253760), (520, 246928), (572, 224480), (598, 214720), (610, 210496), (640, 200629), (671, 191360), (704, 182390), (715, 179584), (736, 174460), (793, 161920), (832, 154330), (880, 145912), (920, 139568), (976, 131560), (1012, 126880), (1040, 123464), (1144, 112240), (1196, 107360), (1220, 105248), (1265, 101504), (1342, 95680), (1403, 91520), (1408, 91195), (1430, 89792), (1472, 87230), (1495, 85888), (1586, 80960), (1664, 77165), (1760, 72956), (1840, 69784), (1952, 65780), (2024, 63440), (2080, 61732), (2288, 56120), (2392, 53680), (2440, 52624), (2530, 50752), (2684, 47840), (2806, 45760), (2860, 44896), (2944, 43615), (2990, 42944), (3172, 40480), (3289, 39040), (3355, 38272), (3520, 36478), (3680, 34892), (3904, 32890), (3965, 32384), (4048, 31720), (4160, 30866), (4576, 28060), (4784, 26840), (4880, 26312), (5060, 25376), (5368, 23920), (5612, 22880), (5720, 22448), (5980, 21472), (6344, 20240), (6578, 19520), (6710, 19136), (7015, 18304), (7040, 18239), (7360, 17446), (7808, 16445), (7930, 16192), (8096, 15860), (8320, 15433), (8723, 14720), (9152, 14030), (9568, 13420), (9760, 13156), (10120, 12688), (10736, 11960), (11224, 11440)]