29998980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:274

約数の個数: 144

約数和(自身を含む): 100900800

約数和(自身を除く): 70901820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 109, 110, 132, 139, 165, 180, 198, 218, 220, 278, 327, 330, 396, 417, 436, 495, 545, 556, 654, 660, 695, 834, 981, 990, 1090, 1199, 1251, 1308, 1390, 1529, 1635, 1668, 1962, 1980, 2085, 2180, 2398, 2502, 2780, 3058, 3270, 3597, 3924, 4170, 4587, 4796, 4905, 5004, 5995, 6116, 6255, 6540, 7194, 7645, 8340, 9174, 9810, 10791, 11990, 12510, 13761, 14388, 15151, 15290, 17985, 18348, 19620, 21582, 22935, 23980, 25020, 27522, 30302, 30580, 35970, 43164, 45453, 45870, 53955, 55044, 60604, 68805, 71940, 75755, 90906, 91740, 107910, 136359, 137610, 151510, 166661, 181812, 215820, 227265, 272718, 275220, 303020, 333322, 454530, 499983, 545436, 666644, 681795, 833305, 909060, 999966, 1363590, 1499949, 1666610, 1999932, 2499915, 2727180, 2999898, 3333220, 4999830, 5999796, 7499745, 9999660, 14999490, 29998980]

約数ペア:

[(1, 29998980), (2, 14999490), (3, 9999660), (4, 7499745), (5, 5999796), (6, 4999830), (9, 3333220), (10, 2999898), (11, 2727180), (12, 2499915), (15, 1999932), (18, 1666610), (20, 1499949), (22, 1363590), (30, 999966), (33, 909060), (36, 833305), (44, 681795), (45, 666644), (55, 545436), (60, 499983), (66, 454530), (90, 333322), (99, 303020), (109, 275220), (110, 272718), (132, 227265), (139, 215820), (165, 181812), (180, 166661), (198, 151510), (218, 137610), (220, 136359), (278, 107910), (327, 91740), (330, 90906), (396, 75755), (417, 71940), (436, 68805), (495, 60604), (545, 55044), (556, 53955), (654, 45870), (660, 45453), (695, 43164), (834, 35970), (981, 30580), (990, 30302), (1090, 27522), (1199, 25020), (1251, 23980), (1308, 22935), (1390, 21582), (1529, 19620), (1635, 18348), (1668, 17985), (1962, 15290), (1980, 15151), (2085, 14388), (2180, 13761), (2398, 12510), (2502, 11990), (2780, 10791), (3058, 9810), (3270, 9174), (3597, 8340), (3924, 7645), (4170, 7194), (4587, 6540), (4796, 6255), (4905, 6116), (5004, 5995)]