28788760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{719}}^1$

素因数の和:761

約数の個数: 128

約数和(自身を含む): 87091200

約数和(自身を除く): 58302440

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 88, 91, 104, 110, 130, 140, 143, 154, 182, 220, 260, 280, 286, 308, 364, 385, 440, 455, 520, 572, 616, 715, 719, 728, 770, 910, 1001, 1144, 1430, 1438, 1540, 1820, 2002, 2860, 2876, 3080, 3595, 3640, 4004, 5005, 5033, 5720, 5752, 7190, 7909, 8008, 9347, 10010, 10066, 14380, 15818, 18694, 20020, 20132, 25165, 28760, 31636, 37388, 39545, 40040, 40264, 46735, 50330, 55363, 63272, 65429, 74776, 79090, 93470, 100660, 102817, 110726, 130858, 158180, 186940, 201320, 205634, 221452, 261716, 276815, 316360, 327145, 373880, 411268, 442904, 514085, 523432, 553630, 654290, 719719, 822536, 1028170, 1107260, 1308580, 1439438, 2056340, 2214520, 2617160, 2878876, 3598595, 4112680, 5757752, 7197190, 14394380, 28788760]

約数ペア:

[(1, 28788760), (2, 14394380), (4, 7197190), (5, 5757752), (7, 4112680), (8, 3598595), (10, 2878876), (11, 2617160), (13, 2214520), (14, 2056340), (20, 1439438), (22, 1308580), (26, 1107260), (28, 1028170), (35, 822536), (40, 719719), (44, 654290), (52, 553630), (55, 523432), (56, 514085), (65, 442904), (70, 411268), (77, 373880), (88, 327145), (91, 316360), (104, 276815), (110, 261716), (130, 221452), (140, 205634), (143, 201320), (154, 186940), (182, 158180), (220, 130858), (260, 110726), (280, 102817), (286, 100660), (308, 93470), (364, 79090), (385, 74776), (440, 65429), (455, 63272), (520, 55363), (572, 50330), (616, 46735), (715, 40264), (719, 40040), (728, 39545), (770, 37388), (910, 31636), (1001, 28760), (1144, 25165), (1430, 20132), (1438, 20020), (1540, 18694), (1820, 15818), (2002, 14380), (2860, 10066), (2876, 10010), (3080, 9347), (3595, 8008), (3640, 7909), (4004, 7190), (5005, 5752), (5033, 5720)]