8556840

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:181

約数の個数: 160

約数和(自身を含む): 30492000

約数和(自身を除く): 21935160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 81, 90, 95, 108, 114, 120, 135, 139, 152, 162, 171, 180, 190, 216, 228, 270, 278, 285, 324, 342, 360, 380, 405, 417, 456, 513, 540, 556, 570, 648, 684, 695, 760, 810, 834, 855, 1026, 1080, 1112, 1140, 1251, 1368, 1390, 1539, 1620, 1668, 1710, 2052, 2085, 2280, 2502, 2565, 2641, 2780, 3078, 3240, 3336, 3420, 3753, 4104, 4170, 5004, 5130, 5282, 5560, 6156, 6255, 6840, 7506, 7695, 7923, 8340, 10008, 10260, 10564, 11259, 12312, 12510, 13205, 15012, 15390, 15846, 16680, 18765, 20520, 21128, 22518, 23769, 25020, 26410, 30024, 30780, 31692, 37530, 39615, 45036, 47538, 50040, 52820, 56295, 61560, 63384, 71307, 75060, 79230, 90072, 95076, 105640, 112590, 118845, 142614, 150120, 158460, 190152, 213921, 225180, 237690, 285228, 316920, 356535, 427842, 450360, 475380, 570456, 713070, 855684, 950760, 1069605, 1426140, 1711368, 2139210, 2852280, 4278420, 8556840]

約数ペア:

[(1, 8556840), (2, 4278420), (3, 2852280), (4, 2139210), (5, 1711368), (6, 1426140), (8, 1069605), (9, 950760), (10, 855684), (12, 713070), (15, 570456), (18, 475380), (19, 450360), (20, 427842), (24, 356535), (27, 316920), (30, 285228), (36, 237690), (38, 225180), (40, 213921), (45, 190152), (54, 158460), (57, 150120), (60, 142614), (72, 118845), (76, 112590), (81, 105640), (90, 95076), (95, 90072), (108, 79230), (114, 75060), (120, 71307), (135, 63384), (139, 61560), (152, 56295), (162, 52820), (171, 50040), (180, 47538), (190, 45036), (216, 39615), (228, 37530), (270, 31692), (278, 30780), (285, 30024), (324, 26410), (342, 25020), (360, 23769), (380, 22518), (405, 21128), (417, 20520), (456, 18765), (513, 16680), (540, 15846), (556, 15390), (570, 15012), (648, 13205), (684, 12510), (695, 12312), (760, 11259), (810, 10564), (834, 10260), (855, 10008), (1026, 8340), (1080, 7923), (1112, 7695), (1140, 7506), (1251, 6840), (1368, 6255), (1390, 6156), (1539, 5560), (1620, 5282), (1668, 5130), (1710, 5004), (2052, 4170), (2085, 4104), (2280, 3753), (2502, 3420), (2565, 3336), (2641, 3240), (2780, 3078)]