18016040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^2\times {\mathrm{47}}^1$

素因数の和:139

約数の個数: 96

約数和(自身を含む): 48625920

約数和(自身を除く): 30609880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 47, 56, 70, 74, 94, 140, 148, 185, 188, 235, 259, 280, 296, 329, 370, 376, 470, 518, 658, 740, 940, 1036, 1295, 1316, 1369, 1480, 1645, 1739, 1880, 2072, 2590, 2632, 2738, 3290, 3478, 5180, 5476, 6580, 6845, 6956, 8695, 9583, 10360, 10952, 12173, 13160, 13690, 13912, 17390, 19166, 24346, 27380, 34780, 38332, 47915, 48692, 54760, 60865, 64343, 69560, 76664, 95830, 97384, 121730, 128686, 191660, 243460, 257372, 321715, 383320, 450401, 486920, 514744, 643430, 900802, 1286860, 1801604, 2252005, 2573720, 3603208, 4504010, 9008020, 18016040]

約数ペア:

[(1, 18016040), (2, 9008020), (4, 4504010), (5, 3603208), (7, 2573720), (8, 2252005), (10, 1801604), (14, 1286860), (20, 900802), (28, 643430), (35, 514744), (37, 486920), (40, 450401), (47, 383320), (56, 321715), (70, 257372), (74, 243460), (94, 191660), (140, 128686), (148, 121730), (185, 97384), (188, 95830), (235, 76664), (259, 69560), (280, 64343), (296, 60865), (329, 54760), (370, 48692), (376, 47915), (470, 38332), (518, 34780), (658, 27380), (740, 24346), (940, 19166), (1036, 17390), (1295, 13912), (1316, 13690), (1369, 13160), (1480, 12173), (1645, 10952), (1739, 10360), (1880, 9583), (2072, 8695), (2590, 6956), (2632, 6845), (2738, 6580), (3290, 5476), (3478, 5180)]