28748790

素因数分解:

$2^1\times 3^3\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:124

約数の個数: 192

約数和(自身を含む): 93078720

約数和(自身を除く): 64329930

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 41, 42, 45, 49, 53, 54, 63, 70, 82, 90, 98, 105, 106, 123, 126, 135, 147, 159, 189, 205, 210, 245, 246, 265, 270, 287, 294, 315, 318, 369, 371, 378, 410, 441, 477, 490, 530, 574, 615, 630, 735, 738, 742, 795, 861, 882, 945, 954, 1107, 1113, 1230, 1323, 1431, 1435, 1470, 1590, 1722, 1845, 1855, 1890, 2009, 2173, 2205, 2214, 2226, 2385, 2583, 2597, 2646, 2862, 2870, 3339, 3690, 3710, 4018, 4305, 4346, 4410, 4770, 5166, 5194, 5535, 5565, 6027, 6519, 6615, 6678, 7155, 7749, 7791, 8610, 10017, 10045, 10865, 11070, 11130, 12054, 12915, 12985, 13038, 13230, 14310, 15211, 15498, 15582, 16695, 18081, 19557, 20034, 20090, 21730, 23373, 25830, 25970, 30135, 30422, 32595, 33390, 36162, 38745, 38955, 39114, 45633, 46746, 50085, 54243, 58671, 60270, 65190, 70119, 76055, 77490, 77910, 90405, 91266, 97785, 100170, 106477, 108486, 116865, 117342, 136899, 140238, 152110, 180810, 195570, 212954, 228165, 233730, 271215, 273798, 293355, 319431, 350595, 410697, 456330, 532385, 542430, 586710, 638862, 684495, 701190, 821394, 958293, 1064770, 1368990, 1597155, 1916586, 2053485, 2874879, 3194310, 4106970, 4791465, 5749758, 9582930, 14374395, 28748790]

約数ペア:

[(1, 28748790), (2, 14374395), (3, 9582930), (5, 5749758), (6, 4791465), (7, 4106970), (9, 3194310), (10, 2874879), (14, 2053485), (15, 1916586), (18, 1597155), (21, 1368990), (27, 1064770), (30, 958293), (35, 821394), (41, 701190), (42, 684495), (45, 638862), (49, 586710), (53, 542430), (54, 532385), (63, 456330), (70, 410697), (82, 350595), (90, 319431), (98, 293355), (105, 273798), (106, 271215), (123, 233730), (126, 228165), (135, 212954), (147, 195570), (159, 180810), (189, 152110), (205, 140238), (210, 136899), (245, 117342), (246, 116865), (265, 108486), (270, 106477), (287, 100170), (294, 97785), (315, 91266), (318, 90405), (369, 77910), (371, 77490), (378, 76055), (410, 70119), (441, 65190), (477, 60270), (490, 58671), (530, 54243), (574, 50085), (615, 46746), (630, 45633), (735, 39114), (738, 38955), (742, 38745), (795, 36162), (861, 33390), (882, 32595), (945, 30422), (954, 30135), (1107, 25970), (1113, 25830), (1230, 23373), (1323, 21730), (1431, 20090), (1435, 20034), (1470, 19557), (1590, 18081), (1722, 16695), (1845, 15582), (1855, 15498), (1890, 15211), (2009, 14310), (2173, 13230), (2205, 13038), (2214, 12985), (2226, 12915), (2385, 12054), (2583, 11130), (2597, 11070), (2646, 10865), (2862, 10045), (2870, 10017), (3339, 8610), (3690, 7791), (3710, 7749), (4018, 7155), (4305, 6678), (4346, 6615), (4410, 6519), (4770, 6027), (5166, 5565), (5194, 5535)]