216420540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{1783}}^1$

素因数の和:1836

約数の個数: 144

約数和(自身を含む): 736092672

約数和(自身を除く): 519672132

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 119, 140, 170, 204, 210, 238, 255, 289, 340, 357, 420, 476, 510, 578, 595, 714, 867, 1020, 1156, 1190, 1428, 1445, 1734, 1783, 1785, 2023, 2380, 2890, 3468, 3566, 3570, 4046, 4335, 5349, 5780, 6069, 7132, 7140, 8092, 8670, 8915, 10115, 10698, 12138, 12481, 17340, 17830, 20230, 21396, 24276, 24962, 26745, 30311, 30345, 35660, 37443, 40460, 49924, 53490, 60622, 60690, 62405, 74886, 90933, 106980, 121244, 121380, 124810, 149772, 151555, 181866, 187215, 212177, 249620, 303110, 363732, 374430, 424354, 454665, 515287, 606220, 636531, 748860, 848708, 909330, 1030574, 1060885, 1273062, 1545861, 1818660, 2061148, 2121770, 2546124, 2576435, 3091722, 3182655, 3607009, 4243540, 5152870, 6183444, 6365310, 7214018, 7729305, 10305740, 10821027, 12730620, 14428036, 15458610, 18035045, 21642054, 30917220, 36070090, 43284108, 54105135, 72140180, 108210270, 216420540]

約数ペア:

[(1, 216420540), (2, 108210270), (3, 72140180), (4, 54105135), (5, 43284108), (6, 36070090), (7, 30917220), (10, 21642054), (12, 18035045), (14, 15458610), (15, 14428036), (17, 12730620), (20, 10821027), (21, 10305740), (28, 7729305), (30, 7214018), (34, 6365310), (35, 6183444), (42, 5152870), (51, 4243540), (60, 3607009), (68, 3182655), (70, 3091722), (84, 2576435), (85, 2546124), (102, 2121770), (105, 2061148), (119, 1818660), (140, 1545861), (170, 1273062), (204, 1060885), (210, 1030574), (238, 909330), (255, 848708), (289, 748860), (340, 636531), (357, 606220), (420, 515287), (476, 454665), (510, 424354), (578, 374430), (595, 363732), (714, 303110), (867, 249620), (1020, 212177), (1156, 187215), (1190, 181866), (1428, 151555), (1445, 149772), (1734, 124810), (1783, 121380), (1785, 121244), (2023, 106980), (2380, 90933), (2890, 74886), (3468, 62405), (3566, 60690), (3570, 60622), (4046, 53490), (4335, 49924), (5349, 40460), (5780, 37443), (6069, 35660), (7132, 30345), (7140, 30311), (8092, 26745), (8670, 24962), (8915, 24276), (10115, 21396), (10698, 20230), (12138, 17830), (12481, 17340)]