171923520

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:213

約数の個数: 224

約数和(自身を含む): 579363840

約数和(自身を除く): 407440320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 53, 60, 62, 64, 80, 93, 96, 106, 109, 120, 124, 155, 159, 160, 186, 192, 212, 218, 240, 248, 265, 310, 318, 320, 327, 372, 424, 436, 465, 480, 496, 530, 545, 620, 636, 654, 744, 795, 848, 872, 930, 960, 992, 1060, 1090, 1240, 1272, 1308, 1488, 1590, 1635, 1643, 1696, 1744, 1860, 1984, 2120, 2180, 2480, 2544, 2616, 2976, 3180, 3270, 3286, 3379, 3392, 3488, 3720, 4240, 4360, 4929, 4960, 5088, 5232, 5777, 5952, 6360, 6540, 6572, 6758, 6976, 7440, 8215, 8480, 8720, 9858, 9920, 10137, 10176, 10464, 11554, 12720, 13080, 13144, 13516, 14880, 16430, 16895, 16960, 17331, 17440, 19716, 20274, 20928, 23108, 24645, 25440, 26160, 26288, 27032, 28885, 29760, 32860, 33790, 34662, 34880, 39432, 40548, 46216, 49290, 50685, 50880, 52320, 52576, 54064, 57770, 65720, 67580, 69324, 78864, 81096, 86655, 92432, 98580, 101370, 104640, 105152, 108128, 115540, 131440, 135160, 138648, 157728, 162192, 173310, 179087, 184864, 197160, 202740, 216256, 231080, 262880, 270320, 277296, 315456, 324384, 346620, 358174, 369728, 394320, 405480, 462160, 525760, 537261, 540640, 554592, 648768, 693240, 716348, 788640, 810960, 895435, 924320, 1074522, 1081280, 1109184, 1386480, 1432696, 1577280, 1621920, 1790870, 1848640, 2149044, 2686305, 2772960, 2865392, 3243840, 3581740, 4298088, 5372610, 5545920, 5730784, 7163480, 8596176, 10745220, 11461568, 14326960, 17192352, 21490440, 28653920, 34384704, 42980880, 57307840, 85961760, 171923520]

約数ペア:

[(1, 171923520), (2, 85961760), (3, 57307840), (4, 42980880), (5, 34384704), (6, 28653920), (8, 21490440), (10, 17192352), (12, 14326960), (15, 11461568), (16, 10745220), (20, 8596176), (24, 7163480), (30, 5730784), (31, 5545920), (32, 5372610), (40, 4298088), (48, 3581740), (53, 3243840), (60, 2865392), (62, 2772960), (64, 2686305), (80, 2149044), (93, 1848640), (96, 1790870), (106, 1621920), (109, 1577280), (120, 1432696), (124, 1386480), (155, 1109184), (159, 1081280), (160, 1074522), (186, 924320), (192, 895435), (212, 810960), (218, 788640), (240, 716348), (248, 693240), (265, 648768), (310, 554592), (318, 540640), (320, 537261), (327, 525760), (372, 462160), (424, 405480), (436, 394320), (465, 369728), (480, 358174), (496, 346620), (530, 324384), (545, 315456), (620, 277296), (636, 270320), (654, 262880), (744, 231080), (795, 216256), (848, 202740), (872, 197160), (930, 184864), (960, 179087), (992, 173310), (1060, 162192), (1090, 157728), (1240, 138648), (1272, 135160), (1308, 131440), (1488, 115540), (1590, 108128), (1635, 105152), (1643, 104640), (1696, 101370), (1744, 98580), (1860, 92432), (1984, 86655), (2120, 81096), (2180, 78864), (2480, 69324), (2544, 67580), (2616, 65720), (2976, 57770), (3180, 54064), (3270, 52576), (3286, 52320), (3379, 50880), (3392, 50685), (3488, 49290), (3720, 46216), (4240, 40548), (4360, 39432), (4929, 34880), (4960, 34662), (5088, 33790), (5232, 32860), (5777, 29760), (5952, 28885), (6360, 27032), (6540, 26288), (6572, 26160), (6758, 25440), (6976, 24645), (7440, 23108), (8215, 20928), (8480, 20274), (8720, 19716), (9858, 17440), (9920, 17331), (10137, 16960), (10176, 16895), (10464, 16430), (11554, 14880), (12720, 13516), (13080, 13144)]