205219980

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{18097}}^1$

素因数の和:18125

約数の個数: 120

約数和(自身を含む): 735792288

約数和(自身を除く): 530572308

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1620, 1890, 2268, 2835, 3780, 5670, 11340, 18097, 36194, 54291, 72388, 90485, 108582, 126679, 162873, 180970, 217164, 253358, 271455, 325746, 361940, 380037, 488619, 506716, 542910, 633395, 651492, 760074, 814365, 977238, 1085820, 1140111, 1266790, 1465857, 1520148, 1628730, 1900185, 1954476, 2280222, 2443095, 2533580, 2931714, 3257460, 3420333, 3800370, 4560444, 4886190, 5700555, 5863428, 6840666, 7329285, 7600740, 9772380, 10260999, 11401110, 13681332, 14658570, 17101665, 20521998, 22802220, 29317140, 34203330, 41043996, 51304995, 68406660, 102609990, 205219980]

約数ペア:

[(1, 205219980), (2, 102609990), (3, 68406660), (4, 51304995), (5, 41043996), (6, 34203330), (7, 29317140), (9, 22802220), (10, 20521998), (12, 17101665), (14, 14658570), (15, 13681332), (18, 11401110), (20, 10260999), (21, 9772380), (27, 7600740), (28, 7329285), (30, 6840666), (35, 5863428), (36, 5700555), (42, 4886190), (45, 4560444), (54, 3800370), (60, 3420333), (63, 3257460), (70, 2931714), (81, 2533580), (84, 2443095), (90, 2280222), (105, 1954476), (108, 1900185), (126, 1628730), (135, 1520148), (140, 1465857), (162, 1266790), (180, 1140111), (189, 1085820), (210, 977238), (252, 814365), (270, 760074), (315, 651492), (324, 633395), (378, 542910), (405, 506716), (420, 488619), (540, 380037), (567, 361940), (630, 325746), (756, 271455), (810, 253358), (945, 217164), (1134, 180970), (1260, 162873), (1620, 126679), (1890, 108582), (2268, 90485), (2835, 72388), (3780, 54291), (5670, 36194), (11340, 18097)]