164017280

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1181}}^1$

素因数の和:1238

約数の個数: 128

約数和(自身を含む): 462965760

約数和(自身を除く): 298948480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 640, 868, 896, 992, 1085, 1120, 1181, 1240, 1736, 1984, 2170, 2240, 2362, 2480, 3472, 3968, 4340, 4480, 4724, 4960, 5905, 6944, 8267, 8680, 9448, 9920, 11810, 13888, 16534, 17360, 18896, 19840, 23620, 27776, 33068, 34720, 36611, 37792, 41335, 47240, 66136, 69440, 73222, 75584, 82670, 94480, 132272, 138880, 146444, 151168, 165340, 183055, 188960, 256277, 264544, 292888, 330680, 366110, 377920, 512554, 529088, 585776, 661360, 732220, 755840, 1025108, 1058176, 1171552, 1281385, 1322720, 1464440, 2050216, 2343104, 2562770, 2645440, 2928880, 4100432, 4686208, 5125540, 5290880, 5857760, 8200864, 10251080, 11715520, 16401728, 20502160, 23431040, 32803456, 41004320, 82008640, 164017280]

約数ペア:

[(1, 164017280), (2, 82008640), (4, 41004320), (5, 32803456), (7, 23431040), (8, 20502160), (10, 16401728), (14, 11715520), (16, 10251080), (20, 8200864), (28, 5857760), (31, 5290880), (32, 5125540), (35, 4686208), (40, 4100432), (56, 2928880), (62, 2645440), (64, 2562770), (70, 2343104), (80, 2050216), (112, 1464440), (124, 1322720), (128, 1281385), (140, 1171552), (155, 1058176), (160, 1025108), (217, 755840), (224, 732220), (248, 661360), (280, 585776), (310, 529088), (320, 512554), (434, 377920), (448, 366110), (496, 330680), (560, 292888), (620, 264544), (640, 256277), (868, 188960), (896, 183055), (992, 165340), (1085, 151168), (1120, 146444), (1181, 138880), (1240, 132272), (1736, 94480), (1984, 82670), (2170, 75584), (2240, 73222), (2362, 69440), (2480, 66136), (3472, 47240), (3968, 41335), (4340, 37792), (4480, 36611), (4724, 34720), (4960, 33068), (5905, 27776), (6944, 23620), (8267, 19840), (8680, 18896), (9448, 17360), (9920, 16534), (11810, 13888)]