26670420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{347}}^1$

素因数の和:430

約数の個数: 144

約数和(自身を含む): 94243968

約数和(自身を除く): 67573548

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 61, 63, 70, 84, 90, 105, 122, 126, 140, 180, 183, 210, 244, 252, 305, 315, 347, 366, 420, 427, 549, 610, 630, 694, 732, 854, 915, 1041, 1098, 1220, 1260, 1281, 1388, 1708, 1735, 1830, 2082, 2135, 2196, 2429, 2562, 2745, 3123, 3470, 3660, 3843, 4164, 4270, 4858, 5124, 5205, 5490, 6246, 6405, 6940, 7287, 7686, 8540, 9716, 10410, 10980, 12145, 12492, 12810, 14574, 15372, 15615, 19215, 20820, 21167, 21861, 24290, 25620, 29148, 31230, 36435, 38430, 42334, 43722, 48580, 62460, 63501, 72870, 76860, 84668, 87444, 105835, 109305, 127002, 145740, 148169, 190503, 211670, 218610, 254004, 296338, 317505, 381006, 423340, 437220, 444507, 592676, 635010, 740845, 762012, 889014, 952515, 1270020, 1333521, 1481690, 1778028, 1905030, 2222535, 2667042, 2963380, 3810060, 4445070, 5334084, 6667605, 8890140, 13335210, 26670420]

約数ペア:

[(1, 26670420), (2, 13335210), (3, 8890140), (4, 6667605), (5, 5334084), (6, 4445070), (7, 3810060), (9, 2963380), (10, 2667042), (12, 2222535), (14, 1905030), (15, 1778028), (18, 1481690), (20, 1333521), (21, 1270020), (28, 952515), (30, 889014), (35, 762012), (36, 740845), (42, 635010), (45, 592676), (60, 444507), (61, 437220), (63, 423340), (70, 381006), (84, 317505), (90, 296338), (105, 254004), (122, 218610), (126, 211670), (140, 190503), (180, 148169), (183, 145740), (210, 127002), (244, 109305), (252, 105835), (305, 87444), (315, 84668), (347, 76860), (366, 72870), (420, 63501), (427, 62460), (549, 48580), (610, 43722), (630, 42334), (694, 38430), (732, 36435), (854, 31230), (915, 29148), (1041, 25620), (1098, 24290), (1220, 21861), (1260, 21167), (1281, 20820), (1388, 19215), (1708, 15615), (1735, 15372), (1830, 14574), (2082, 12810), (2135, 12492), (2196, 12145), (2429, 10980), (2562, 10410), (2745, 9716), (3123, 8540), (3470, 7686), (3660, 7287), (3843, 6940), (4164, 6405), (4270, 6246), (4858, 5490), (5124, 5205)]