204560320

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1213}}^1$

素因数の和:1278

約数の個数: 112

約数和(自身を含む): 532839168

約数和(自身を除く): 328278848

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 64, 68, 80, 85, 124, 136, 155, 160, 170, 248, 272, 310, 320, 340, 496, 527, 544, 620, 680, 992, 1054, 1088, 1213, 1240, 1360, 1984, 2108, 2426, 2480, 2635, 2720, 4216, 4852, 4960, 5270, 5440, 6065, 8432, 9704, 9920, 10540, 12130, 16864, 19408, 20621, 21080, 24260, 33728, 37603, 38816, 41242, 42160, 48520, 75206, 77632, 82484, 84320, 97040, 103105, 150412, 164968, 168640, 188015, 194080, 206210, 300824, 329936, 376030, 388160, 412420, 601648, 639251, 659872, 752060, 824840, 1203296, 1278502, 1319744, 1504120, 1649680, 2406592, 2557004, 3008240, 3196255, 3299360, 5114008, 6016480, 6392510, 6598720, 10228016, 12032960, 12785020, 20456032, 25570040, 40912064, 51140080, 102280160, 204560320]

約数ペア:

[(1, 204560320), (2, 102280160), (4, 51140080), (5, 40912064), (8, 25570040), (10, 20456032), (16, 12785020), (17, 12032960), (20, 10228016), (31, 6598720), (32, 6392510), (34, 6016480), (40, 5114008), (62, 3299360), (64, 3196255), (68, 3008240), (80, 2557004), (85, 2406592), (124, 1649680), (136, 1504120), (155, 1319744), (160, 1278502), (170, 1203296), (248, 824840), (272, 752060), (310, 659872), (320, 639251), (340, 601648), (496, 412420), (527, 388160), (544, 376030), (620, 329936), (680, 300824), (992, 206210), (1054, 194080), (1088, 188015), (1213, 168640), (1240, 164968), (1360, 150412), (1984, 103105), (2108, 97040), (2426, 84320), (2480, 82484), (2635, 77632), (2720, 75206), (4216, 48520), (4852, 42160), (4960, 41242), (5270, 38816), (5440, 37603), (6065, 33728), (8432, 24260), (9704, 21080), (9920, 20621), (10540, 19408), (12130, 16864)]