72204160

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:324

約数の個数: 128

約数和(自身を含む): 200931840

約数和(自身を除く): 128727680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 71, 80, 112, 128, 140, 142, 160, 224, 227, 280, 284, 320, 355, 448, 454, 497, 560, 568, 640, 710, 896, 908, 994, 1120, 1135, 1136, 1420, 1589, 1816, 1988, 2240, 2270, 2272, 2485, 2840, 3178, 3632, 3976, 4480, 4540, 4544, 4970, 5680, 6356, 7264, 7945, 7952, 9080, 9088, 9940, 11360, 12712, 14528, 15890, 15904, 16117, 18160, 19880, 22720, 25424, 29056, 31780, 31808, 32234, 36320, 39760, 45440, 50848, 63560, 63616, 64468, 72640, 79520, 80585, 101696, 112819, 127120, 128936, 145280, 159040, 161170, 203392, 225638, 254240, 257872, 318080, 322340, 451276, 508480, 515744, 564095, 644680, 902552, 1016960, 1031488, 1128190, 1289360, 1805104, 2062976, 2256380, 2578720, 3610208, 4512760, 5157440, 7220416, 9025520, 10314880, 14440832, 18051040, 36102080, 72204160]

約数ペア:

[(1, 72204160), (2, 36102080), (4, 18051040), (5, 14440832), (7, 10314880), (8, 9025520), (10, 7220416), (14, 5157440), (16, 4512760), (20, 3610208), (28, 2578720), (32, 2256380), (35, 2062976), (40, 1805104), (56, 1289360), (64, 1128190), (70, 1031488), (71, 1016960), (80, 902552), (112, 644680), (128, 564095), (140, 515744), (142, 508480), (160, 451276), (224, 322340), (227, 318080), (280, 257872), (284, 254240), (320, 225638), (355, 203392), (448, 161170), (454, 159040), (497, 145280), (560, 128936), (568, 127120), (640, 112819), (710, 101696), (896, 80585), (908, 79520), (994, 72640), (1120, 64468), (1135, 63616), (1136, 63560), (1420, 50848), (1589, 45440), (1816, 39760), (1988, 36320), (2240, 32234), (2270, 31808), (2272, 31780), (2485, 29056), (2840, 25424), (3178, 22720), (3632, 19880), (3976, 18160), (4480, 16117), (4540, 15904), (4544, 15890), (4970, 14528), (5680, 12712), (6356, 11360), (7264, 9940), (7945, 9088), (7952, 9080)]