1797761920

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:197

約数の個数: 192

約数和(自身を含む): 4618641600

約数和(自身を除く): 2820879680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 37, 40, 62, 64, 74, 79, 80, 124, 128, 148, 155, 158, 160, 185, 248, 296, 310, 316, 320, 370, 395, 496, 592, 620, 632, 640, 740, 790, 961, 992, 1147, 1184, 1240, 1264, 1480, 1580, 1922, 1984, 2294, 2368, 2449, 2480, 2528, 2923, 2960, 3160, 3844, 3968, 4588, 4736, 4805, 4898, 4960, 5056, 5735, 5846, 5920, 6320, 7688, 9176, 9610, 9796, 9920, 10112, 11470, 11692, 11840, 12245, 12640, 14615, 15376, 18352, 19220, 19592, 19840, 22940, 23384, 23680, 24490, 25280, 29230, 30752, 35557, 36704, 38440, 39184, 45880, 46768, 48980, 50560, 58460, 61504, 71114, 73408, 75919, 76880, 78368, 90613, 91760, 93536, 97960, 116920, 123008, 142228, 146816, 151838, 153760, 156736, 177785, 181226, 183520, 187072, 195920, 233840, 284456, 303676, 307520, 313472, 355570, 362452, 367040, 374144, 379595, 391840, 453065, 467680, 568912, 607352, 615040, 711140, 724904, 734080, 759190, 783680, 906130, 935360, 1137824, 1214704, 1422280, 1449808, 1518380, 1567360, 1812260, 1870720, 2275648, 2429408, 2809003, 2844560, 2899616, 3036760, 3624520, 4551296, 4858816, 5618006, 5689120, 5799232, 6073520, 7249040, 9717632, 11236012, 11378240, 11598464, 12147040, 14045015, 14498080, 22472024, 22756480, 24294080, 28090030, 28996160, 44944048, 48588160, 56180060, 57992320, 89888096, 112360120, 179776192, 224720240, 359552384, 449440480, 898880960, 1797761920]

約数ペア:

[(1, 1797761920), (2, 898880960), (4, 449440480), (5, 359552384), (8, 224720240), (10, 179776192), (16, 112360120), (20, 89888096), (31, 57992320), (32, 56180060), (37, 48588160), (40, 44944048), (62, 28996160), (64, 28090030), (74, 24294080), (79, 22756480), (80, 22472024), (124, 14498080), (128, 14045015), (148, 12147040), (155, 11598464), (158, 11378240), (160, 11236012), (185, 9717632), (248, 7249040), (296, 6073520), (310, 5799232), (316, 5689120), (320, 5618006), (370, 4858816), (395, 4551296), (496, 3624520), (592, 3036760), (620, 2899616), (632, 2844560), (640, 2809003), (740, 2429408), (790, 2275648), (961, 1870720), (992, 1812260), (1147, 1567360), (1184, 1518380), (1240, 1449808), (1264, 1422280), (1480, 1214704), (1580, 1137824), (1922, 935360), (1984, 906130), (2294, 783680), (2368, 759190), (2449, 734080), (2480, 724904), (2528, 711140), (2923, 615040), (2960, 607352), (3160, 568912), (3844, 467680), (3968, 453065), (4588, 391840), (4736, 379595), (4805, 374144), (4898, 367040), (4960, 362452), (5056, 355570), (5735, 313472), (5846, 307520), (5920, 303676), (6320, 284456), (7688, 233840), (9176, 195920), (9610, 187072), (9796, 183520), (9920, 181226), (10112, 177785), (11470, 156736), (11692, 153760), (11840, 151838), (12245, 146816), (12640, 142228), (14615, 123008), (15376, 116920), (18352, 97960), (19220, 93536), (19592, 91760), (19840, 90613), (22940, 78368), (23384, 76880), (23680, 75919), (24490, 73408), (25280, 71114), (29230, 61504), (30752, 58460), (35557, 50560), (36704, 48980), (38440, 46768), (39184, 45880)]