8505420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{263}}^1$

素因数の和:300

約数の個数: 144

約数和(自身を含む): 30336768

約数和(自身を除く): 21831348

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 49, 55, 60, 66, 70, 77, 84, 98, 105, 110, 132, 140, 147, 154, 165, 196, 210, 220, 231, 245, 263, 294, 308, 330, 385, 420, 462, 490, 526, 539, 588, 660, 735, 770, 789, 924, 980, 1052, 1078, 1155, 1315, 1470, 1540, 1578, 1617, 1841, 2156, 2310, 2630, 2695, 2893, 2940, 3156, 3234, 3682, 3945, 4620, 5260, 5390, 5523, 5786, 6468, 7364, 7890, 8085, 8679, 9205, 10780, 11046, 11572, 12887, 14465, 15780, 16170, 17358, 18410, 20251, 22092, 25774, 27615, 28930, 32340, 34716, 36820, 38661, 40502, 43395, 51548, 55230, 57860, 60753, 64435, 77322, 81004, 86790, 101255, 110460, 121506, 128870, 141757, 154644, 173580, 193305, 202510, 243012, 257740, 283514, 303765, 386610, 405020, 425271, 567028, 607530, 708785, 773220, 850542, 1215060, 1417570, 1701084, 2126355, 2835140, 4252710, 8505420]

約数ペア:

[(1, 8505420), (2, 4252710), (3, 2835140), (4, 2126355), (5, 1701084), (6, 1417570), (7, 1215060), (10, 850542), (11, 773220), (12, 708785), (14, 607530), (15, 567028), (20, 425271), (21, 405020), (22, 386610), (28, 303765), (30, 283514), (33, 257740), (35, 243012), (42, 202510), (44, 193305), (49, 173580), (55, 154644), (60, 141757), (66, 128870), (70, 121506), (77, 110460), (84, 101255), (98, 86790), (105, 81004), (110, 77322), (132, 64435), (140, 60753), (147, 57860), (154, 55230), (165, 51548), (196, 43395), (210, 40502), (220, 38661), (231, 36820), (245, 34716), (263, 32340), (294, 28930), (308, 27615), (330, 25774), (385, 22092), (420, 20251), (462, 18410), (490, 17358), (526, 16170), (539, 15780), (588, 14465), (660, 12887), (735, 11572), (770, 11046), (789, 10780), (924, 9205), (980, 8679), (1052, 8085), (1078, 7890), (1155, 7364), (1315, 6468), (1470, 5786), (1540, 5523), (1578, 5390), (1617, 5260), (1841, 4620), (2156, 3945), (2310, 3682), (2630, 3234), (2695, 3156), (2893, 2940)]