123957540

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{643}}^1$

素因数の和:688

約数の個数: 240

約数和(自身を含む): 471284352

約数和(自身を除く): 347326812

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 27, 28, 30, 34, 35, 36, 42, 45, 51, 54, 60, 63, 68, 70, 81, 84, 85, 90, 102, 105, 108, 119, 126, 135, 140, 153, 162, 170, 180, 189, 204, 210, 238, 252, 255, 270, 306, 315, 324, 340, 357, 378, 405, 420, 459, 476, 510, 540, 567, 595, 612, 630, 643, 714, 756, 765, 810, 918, 945, 1020, 1071, 1134, 1190, 1260, 1286, 1377, 1428, 1530, 1620, 1785, 1836, 1890, 1929, 2142, 2268, 2295, 2380, 2572, 2754, 2835, 3060, 3213, 3215, 3570, 3780, 3858, 4284, 4501, 4590, 5355, 5508, 5670, 5787, 6426, 6430, 6885, 7140, 7716, 9002, 9180, 9639, 9645, 10710, 10931, 11340, 11574, 12852, 12860, 13503, 13770, 16065, 17361, 18004, 19278, 19290, 21420, 21862, 22505, 23148, 27006, 27540, 28935, 32130, 32793, 34722, 38556, 38580, 40509, 43724, 45010, 48195, 52083, 54012, 54655, 57870, 64260, 65586, 67515, 69444, 76517, 81018, 86805, 90020, 96390, 98379, 104166, 109310, 115740, 121527, 131172, 135030, 153034, 162036, 163965, 173610, 192780, 196758, 202545, 208332, 218620, 229551, 243054, 260415, 270060, 295137, 306068, 327930, 347220, 364581, 382585, 393516, 405090, 459102, 486108, 491895, 520830, 590274, 607635, 655860, 688653, 729162, 765170, 810180, 885411, 918204, 983790, 1041660, 1147755, 1180548, 1215270, 1377306, 1458324, 1475685, 1530340, 1770822, 1822905, 1967580, 2065959, 2295510, 2430540, 2754612, 2951370, 3443265, 3541644, 3645810, 4131918, 4427055, 4591020, 5902740, 6197877, 6886530, 7291620, 8263836, 8854110, 10329795, 12395754, 13773060, 17708220, 20659590, 24791508, 30989385, 41319180, 61978770, 123957540]

約数ペア:

[(1, 123957540), (2, 61978770), (3, 41319180), (4, 30989385), (5, 24791508), (6, 20659590), (7, 17708220), (9, 13773060), (10, 12395754), (12, 10329795), (14, 8854110), (15, 8263836), (17, 7291620), (18, 6886530), (20, 6197877), (21, 5902740), (27, 4591020), (28, 4427055), (30, 4131918), (34, 3645810), (35, 3541644), (36, 3443265), (42, 2951370), (45, 2754612), (51, 2430540), (54, 2295510), (60, 2065959), (63, 1967580), (68, 1822905), (70, 1770822), (81, 1530340), (84, 1475685), (85, 1458324), (90, 1377306), (102, 1215270), (105, 1180548), (108, 1147755), (119, 1041660), (126, 983790), (135, 918204), (140, 885411), (153, 810180), (162, 765170), (170, 729162), (180, 688653), (189, 655860), (204, 607635), (210, 590274), (238, 520830), (252, 491895), (255, 486108), (270, 459102), (306, 405090), (315, 393516), (324, 382585), (340, 364581), (357, 347220), (378, 327930), (405, 306068), (420, 295137), (459, 270060), (476, 260415), (510, 243054), (540, 229551), (567, 218620), (595, 208332), (612, 202545), (630, 196758), (643, 192780), (714, 173610), (756, 163965), (765, 162036), (810, 153034), (918, 135030), (945, 131172), (1020, 121527), (1071, 115740), (1134, 109310), (1190, 104166), (1260, 98379), (1286, 96390), (1377, 90020), (1428, 86805), (1530, 81018), (1620, 76517), (1785, 69444), (1836, 67515), (1890, 65586), (1929, 64260), (2142, 57870), (2268, 54655), (2295, 54012), (2380, 52083), (2572, 48195), (2754, 45010), (2835, 43724), (3060, 40509), (3213, 38580), (3215, 38556), (3570, 34722), (3780, 32793), (3858, 32130), (4284, 28935), (4501, 27540), (4590, 27006), (5355, 23148), (5508, 22505), (5670, 21862), (5787, 21420), (6426, 19290), (6430, 19278), (6885, 18004), (7140, 17361), (7716, 16065), (9002, 13770), (9180, 13503), (9639, 12860), (9645, 12852), (10710, 11574), (10931, 11340)]