219540780

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{199}}^1\times {\mathrm{227}}^1$

素因数の和:450

約数の個数: 144

約数和(自身を含む): 697132800

約数和(自身を除く): 477592020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 199, 227, 243, 270, 324, 398, 405, 454, 486, 540, 597, 681, 796, 810, 908, 972, 995, 1135, 1194, 1215, 1362, 1620, 1791, 1990, 2043, 2270, 2388, 2430, 2724, 2985, 3405, 3582, 3980, 4086, 4540, 4860, 5373, 5970, 6129, 6810, 7164, 8172, 8955, 10215, 10746, 11940, 12258, 13620, 16119, 17910, 18387, 20430, 21492, 24516, 26865, 30645, 32238, 35820, 36774, 40860, 45173, 48357, 53730, 55161, 61290, 64476, 73548, 80595, 90346, 91935, 96714, 107460, 110322, 122580, 135519, 161190, 180692, 183870, 193428, 220644, 225865, 241785, 271038, 275805, 322380, 367740, 406557, 451730, 483570, 542076, 551610, 677595, 813114, 903460, 967140, 1103220, 1219671, 1355190, 1626228, 2032785, 2439342, 2710380, 3659013, 4065570, 4878684, 6098355, 7318026, 8131140, 10977039, 12196710, 14636052, 18295065, 21954078, 24393420, 36590130, 43908156, 54885195, 73180260, 109770390, 219540780]

約数ペア:

[(1, 219540780), (2, 109770390), (3, 73180260), (4, 54885195), (5, 43908156), (6, 36590130), (9, 24393420), (10, 21954078), (12, 18295065), (15, 14636052), (18, 12196710), (20, 10977039), (27, 8131140), (30, 7318026), (36, 6098355), (45, 4878684), (54, 4065570), (60, 3659013), (81, 2710380), (90, 2439342), (108, 2032785), (135, 1626228), (162, 1355190), (180, 1219671), (199, 1103220), (227, 967140), (243, 903460), (270, 813114), (324, 677595), (398, 551610), (405, 542076), (454, 483570), (486, 451730), (540, 406557), (597, 367740), (681, 322380), (796, 275805), (810, 271038), (908, 241785), (972, 225865), (995, 220644), (1135, 193428), (1194, 183870), (1215, 180692), (1362, 161190), (1620, 135519), (1791, 122580), (1990, 110322), (2043, 107460), (2270, 96714), (2388, 91935), (2430, 90346), (2724, 80595), (2985, 73548), (3405, 64476), (3582, 61290), (3980, 55161), (4086, 53730), (4540, 48357), (4860, 45173), (5373, 40860), (5970, 36774), (6129, 35820), (6810, 32238), (7164, 30645), (8172, 26865), (8955, 24516), (10215, 21492), (10746, 20430), (11940, 18387), (12258, 17910), (13620, 16119)]