72318720

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{509}}^1$

素因数の和:570

約数の個数: 144

約数和(自身を含む): 237676320

約数和(自身を除く): 165357600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 37, 40, 48, 60, 64, 74, 80, 96, 111, 120, 128, 148, 160, 185, 192, 222, 240, 256, 296, 320, 370, 384, 444, 480, 509, 555, 592, 640, 740, 768, 888, 960, 1018, 1110, 1184, 1280, 1480, 1527, 1776, 1920, 2036, 2220, 2368, 2545, 2960, 3054, 3552, 3840, 4072, 4440, 4736, 5090, 5920, 6108, 7104, 7635, 8144, 8880, 9472, 10180, 11840, 12216, 14208, 15270, 16288, 17760, 18833, 20360, 23680, 24432, 28416, 30540, 32576, 35520, 37666, 40720, 47360, 48864, 56499, 61080, 65152, 71040, 75332, 81440, 94165, 97728, 112998, 122160, 130304, 142080, 150664, 162880, 188330, 195456, 225996, 244320, 282495, 301328, 325760, 376660, 390912, 451992, 488640, 564990, 602656, 651520, 753320, 903984, 977280, 1129980, 1205312, 1506640, 1807968, 1954560, 2259960, 2410624, 3013280, 3615936, 4519920, 4821248, 6026560, 7231872, 9039840, 12053120, 14463744, 18079680, 24106240, 36159360, 72318720]

約数ペア:

[(1, 72318720), (2, 36159360), (3, 24106240), (4, 18079680), (5, 14463744), (6, 12053120), (8, 9039840), (10, 7231872), (12, 6026560), (15, 4821248), (16, 4519920), (20, 3615936), (24, 3013280), (30, 2410624), (32, 2259960), (37, 1954560), (40, 1807968), (48, 1506640), (60, 1205312), (64, 1129980), (74, 977280), (80, 903984), (96, 753320), (111, 651520), (120, 602656), (128, 564990), (148, 488640), (160, 451992), (185, 390912), (192, 376660), (222, 325760), (240, 301328), (256, 282495), (296, 244320), (320, 225996), (370, 195456), (384, 188330), (444, 162880), (480, 150664), (509, 142080), (555, 130304), (592, 122160), (640, 112998), (740, 97728), (768, 94165), (888, 81440), (960, 75332), (1018, 71040), (1110, 65152), (1184, 61080), (1280, 56499), (1480, 48864), (1527, 47360), (1776, 40720), (1920, 37666), (2036, 35520), (2220, 32576), (2368, 30540), (2545, 28416), (2960, 24432), (3054, 23680), (3552, 20360), (3840, 18833), (4072, 17760), (4440, 16288), (4736, 15270), (5090, 14208), (5920, 12216), (6108, 11840), (7104, 10180), (7635, 9472), (8144, 8880)]