16708860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:260

約数の個数: 144

約数和(自身を含む): 58968000

約数和(自身を除く): 42259140

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, 63, 70, 84, 89, 90, 105, 126, 140, 149, 178, 180, 210, 252, 267, 298, 315, 356, 420, 445, 447, 534, 596, 623, 630, 745, 801, 890, 894, 1043, 1068, 1246, 1260, 1335, 1341, 1490, 1602, 1780, 1788, 1869, 2086, 2235, 2492, 2670, 2682, 2980, 3115, 3129, 3204, 3738, 4005, 4172, 4470, 5215, 5340, 5364, 5607, 6230, 6258, 6705, 7476, 8010, 8940, 9345, 9387, 10430, 11214, 12460, 12516, 13261, 13410, 15645, 16020, 18690, 18774, 20860, 22428, 26522, 26820, 28035, 31290, 37380, 37548, 39783, 46935, 53044, 56070, 62580, 66305, 79566, 92827, 93870, 112140, 119349, 132610, 159132, 185654, 187740, 198915, 238698, 265220, 278481, 371308, 397830, 464135, 477396, 556962, 596745, 795660, 835443, 928270, 1113924, 1193490, 1392405, 1670886, 1856540, 2386980, 2784810, 3341772, 4177215, 5569620, 8354430, 16708860]

約数ペア:

[(1, 16708860), (2, 8354430), (3, 5569620), (4, 4177215), (5, 3341772), (6, 2784810), (7, 2386980), (9, 1856540), (10, 1670886), (12, 1392405), (14, 1193490), (15, 1113924), (18, 928270), (20, 835443), (21, 795660), (28, 596745), (30, 556962), (35, 477396), (36, 464135), (42, 397830), (45, 371308), (60, 278481), (63, 265220), (70, 238698), (84, 198915), (89, 187740), (90, 185654), (105, 159132), (126, 132610), (140, 119349), (149, 112140), (178, 93870), (180, 92827), (210, 79566), (252, 66305), (267, 62580), (298, 56070), (315, 53044), (356, 46935), (420, 39783), (445, 37548), (447, 37380), (534, 31290), (596, 28035), (623, 26820), (630, 26522), (745, 22428), (801, 20860), (890, 18774), (894, 18690), (1043, 16020), (1068, 15645), (1246, 13410), (1260, 13261), (1335, 12516), (1341, 12460), (1490, 11214), (1602, 10430), (1780, 9387), (1788, 9345), (1869, 8940), (2086, 8010), (2235, 7476), (2492, 6705), (2670, 6258), (2682, 6230), (2980, 5607), (3115, 5364), (3129, 5340), (3204, 5215), (3738, 4470), (4005, 4172)]