30396520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:239

約数の個数: 128

約数和(自身を含む): 87091200

約数和(自身を除く): 56694680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 71, 77, 88, 110, 139, 140, 142, 154, 220, 278, 280, 284, 308, 355, 385, 440, 497, 556, 568, 616, 695, 710, 770, 781, 973, 994, 1112, 1390, 1420, 1529, 1540, 1562, 1946, 1988, 2485, 2780, 2840, 3058, 3080, 3124, 3892, 3905, 3976, 4865, 4970, 5467, 5560, 6116, 6248, 7645, 7784, 7810, 9730, 9869, 9940, 10703, 10934, 12232, 15290, 15620, 19460, 19738, 19880, 21406, 21868, 27335, 30580, 31240, 38920, 39476, 42812, 43736, 49345, 53515, 54670, 61160, 69083, 78952, 85624, 98690, 107030, 108559, 109340, 138166, 197380, 214060, 217118, 218680, 276332, 345415, 394760, 428120, 434236, 542795, 552664, 690830, 759913, 868472, 1085590, 1381660, 1519826, 2171180, 2763320, 3039652, 3799565, 4342360, 6079304, 7599130, 15198260, 30396520]

約数ペア:

[(1, 30396520), (2, 15198260), (4, 7599130), (5, 6079304), (7, 4342360), (8, 3799565), (10, 3039652), (11, 2763320), (14, 2171180), (20, 1519826), (22, 1381660), (28, 1085590), (35, 868472), (40, 759913), (44, 690830), (55, 552664), (56, 542795), (70, 434236), (71, 428120), (77, 394760), (88, 345415), (110, 276332), (139, 218680), (140, 217118), (142, 214060), (154, 197380), (220, 138166), (278, 109340), (280, 108559), (284, 107030), (308, 98690), (355, 85624), (385, 78952), (440, 69083), (497, 61160), (556, 54670), (568, 53515), (616, 49345), (695, 43736), (710, 42812), (770, 39476), (781, 38920), (973, 31240), (994, 30580), (1112, 27335), (1390, 21868), (1420, 21406), (1529, 19880), (1540, 19738), (1562, 19460), (1946, 15620), (1988, 15290), (2485, 12232), (2780, 10934), (2840, 10703), (3058, 9940), (3080, 9869), (3124, 9730), (3892, 7810), (3905, 7784), (3976, 7645), (4865, 6248), (4970, 6116), (5467, 5560)]