18150720

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:137

約数の個数: 224

約数和(自身を含む): 68567808

約数和(自身を除く): 50417088

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 37, 40, 42, 48, 56, 60, 64, 70, 73, 74, 80, 84, 96, 105, 111, 112, 120, 140, 146, 148, 160, 168, 185, 192, 210, 219, 222, 224, 240, 259, 280, 292, 296, 320, 336, 365, 370, 420, 438, 444, 448, 480, 511, 518, 555, 560, 584, 592, 672, 730, 740, 777, 840, 876, 888, 960, 1022, 1036, 1095, 1110, 1120, 1168, 1184, 1295, 1344, 1460, 1480, 1533, 1554, 1680, 1752, 1776, 2044, 2072, 2190, 2220, 2240, 2336, 2368, 2555, 2590, 2701, 2920, 2960, 3066, 3108, 3360, 3504, 3552, 3885, 4088, 4144, 4380, 4440, 4672, 5110, 5180, 5402, 5840, 5920, 6132, 6216, 6720, 7008, 7104, 7665, 7770, 8103, 8176, 8288, 8760, 8880, 10220, 10360, 10804, 11680, 11840, 12264, 12432, 13505, 14016, 15330, 15540, 16206, 16352, 16576, 17520, 17760, 18907, 20440, 20720, 21608, 23360, 24528, 24864, 27010, 30660, 31080, 32412, 32704, 35040, 35520, 37814, 40515, 40880, 41440, 43216, 49056, 49728, 54020, 56721, 61320, 62160, 64824, 70080, 75628, 81030, 81760, 82880, 86432, 94535, 98112, 108040, 113442, 122640, 124320, 129648, 151256, 162060, 163520, 172864, 189070, 216080, 226884, 245280, 248640, 259296, 283605, 302512, 324120, 378140, 432160, 453768, 490560, 518592, 567210, 605024, 648240, 756280, 864320, 907536, 1134420, 1210048, 1296480, 1512560, 1815072, 2268840, 2592960, 3025120, 3630144, 4537680, 6050240, 9075360, 18150720]

約数ペア:

[(1, 18150720), (2, 9075360), (3, 6050240), (4, 4537680), (5, 3630144), (6, 3025120), (7, 2592960), (8, 2268840), (10, 1815072), (12, 1512560), (14, 1296480), (15, 1210048), (16, 1134420), (20, 907536), (21, 864320), (24, 756280), (28, 648240), (30, 605024), (32, 567210), (35, 518592), (37, 490560), (40, 453768), (42, 432160), (48, 378140), (56, 324120), (60, 302512), (64, 283605), (70, 259296), (73, 248640), (74, 245280), (80, 226884), (84, 216080), (96, 189070), (105, 172864), (111, 163520), (112, 162060), (120, 151256), (140, 129648), (146, 124320), (148, 122640), (160, 113442), (168, 108040), (185, 98112), (192, 94535), (210, 86432), (219, 82880), (222, 81760), (224, 81030), (240, 75628), (259, 70080), (280, 64824), (292, 62160), (296, 61320), (320, 56721), (336, 54020), (365, 49728), (370, 49056), (420, 43216), (438, 41440), (444, 40880), (448, 40515), (480, 37814), (511, 35520), (518, 35040), (555, 32704), (560, 32412), (584, 31080), (592, 30660), (672, 27010), (730, 24864), (740, 24528), (777, 23360), (840, 21608), (876, 20720), (888, 20440), (960, 18907), (1022, 17760), (1036, 17520), (1095, 16576), (1110, 16352), (1120, 16206), (1168, 15540), (1184, 15330), (1295, 14016), (1344, 13505), (1460, 12432), (1480, 12264), (1533, 11840), (1554, 11680), (1680, 10804), (1752, 10360), (1776, 10220), (2044, 8880), (2072, 8760), (2190, 8288), (2220, 8176), (2240, 8103), (2336, 7770), (2368, 7665), (2555, 7104), (2590, 7008), (2701, 6720), (2920, 6216), (2960, 6132), (3066, 5920), (3108, 5840), (3360, 5402), (3504, 5180), (3552, 5110), (3885, 4672), (4088, 4440), (4144, 4380)]