215555580

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2609}}^1$

素因数の和:2650

約数の個数: 144

約数和(自身を含む): 718230240

約数和(自身を除く): 502674660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 81, 85, 90, 102, 108, 135, 153, 162, 170, 180, 204, 243, 255, 270, 306, 324, 340, 405, 459, 486, 510, 540, 612, 765, 810, 918, 972, 1020, 1215, 1377, 1530, 1620, 1836, 2295, 2430, 2609, 2754, 3060, 4131, 4590, 4860, 5218, 5508, 6885, 7827, 8262, 9180, 10436, 13045, 13770, 15654, 16524, 20655, 23481, 26090, 27540, 31308, 39135, 41310, 44353, 46962, 52180, 70443, 78270, 82620, 88706, 93924, 117405, 133059, 140886, 156540, 177412, 211329, 221765, 234810, 266118, 281772, 352215, 399177, 422658, 443530, 469620, 532236, 633987, 665295, 704430, 798354, 845316, 887060, 1056645, 1197531, 1267974, 1330590, 1408860, 1596708, 1995885, 2113290, 2395062, 2535948, 2661180, 3169935, 3592593, 3991770, 4226580, 4790124, 5987655, 6339870, 7185186, 7983540, 10777779, 11975310, 12679740, 14370372, 17962965, 21555558, 23950620, 35925930, 43111116, 53888895, 71851860, 107777790, 215555580]

約数ペア:

[(1, 215555580), (2, 107777790), (3, 71851860), (4, 53888895), (5, 43111116), (6, 35925930), (9, 23950620), (10, 21555558), (12, 17962965), (15, 14370372), (17, 12679740), (18, 11975310), (20, 10777779), (27, 7983540), (30, 7185186), (34, 6339870), (36, 5987655), (45, 4790124), (51, 4226580), (54, 3991770), (60, 3592593), (68, 3169935), (81, 2661180), (85, 2535948), (90, 2395062), (102, 2113290), (108, 1995885), (135, 1596708), (153, 1408860), (162, 1330590), (170, 1267974), (180, 1197531), (204, 1056645), (243, 887060), (255, 845316), (270, 798354), (306, 704430), (324, 665295), (340, 633987), (405, 532236), (459, 469620), (486, 443530), (510, 422658), (540, 399177), (612, 352215), (765, 281772), (810, 266118), (918, 234810), (972, 221765), (1020, 211329), (1215, 177412), (1377, 156540), (1530, 140886), (1620, 133059), (1836, 117405), (2295, 93924), (2430, 88706), (2609, 82620), (2754, 78270), (3060, 70443), (4131, 52180), (4590, 46962), (4860, 44353), (5218, 41310), (5508, 39135), (6885, 31308), (7827, 27540), (8262, 26090), (9180, 23481), (10436, 20655), (13045, 16524), (13770, 15654)]