1980750915

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1487}}^1$

素因数の和:1551

約数の個数: 160

約数和(自身を含む): 4355721216

約数和(自身を除く): 2374970301

約数列:

[1, 3, 5, 9, 11, 13, 15, 23, 27, 33, 39, 45, 55, 65, 69, 81, 99, 115, 117, 135, 143, 165, 195, 207, 253, 297, 299, 345, 351, 405, 429, 495, 585, 621, 715, 759, 891, 897, 1035, 1053, 1265, 1287, 1485, 1487, 1495, 1755, 1863, 2145, 2277, 2691, 3105, 3289, 3795, 3861, 4455, 4461, 4485, 5265, 6435, 6831, 7435, 8073, 9315, 9867, 11385, 11583, 13383, 13455, 16357, 16445, 19305, 19331, 20493, 22305, 24219, 29601, 34155, 34201, 40149, 40365, 49071, 49335, 57915, 57993, 66915, 81785, 88803, 96655, 102465, 102603, 120447, 121095, 147213, 148005, 171005, 173979, 200745, 212641, 245355, 266409, 289965, 307809, 376211, 441639, 444015, 444613, 513015, 521937, 602235, 637923, 736065, 869895, 923427, 1063205, 1128633, 1324917, 1332045, 1333839, 1539045, 1565811, 1881055, 1913769, 2208195, 2223065, 2609685, 2770281, 3189615, 3385899, 4001517, 4617135, 4890743, 5643165, 5741307, 6624585, 6669195, 7829055, 9568845, 10157697, 12004551, 13851405, 14672229, 16929495, 17223921, 20007585, 24453715, 28706535, 30473091, 36013653, 44016687, 50788485, 60022755, 73361145, 86119605, 132050061, 152365455, 180068265, 220083435, 396150183, 660250305, 1980750915]

約数ペア:

[(1, 1980750915), (3, 660250305), (5, 396150183), (9, 220083435), (11, 180068265), (13, 152365455), (15, 132050061), (23, 86119605), (27, 73361145), (33, 60022755), (39, 50788485), (45, 44016687), (55, 36013653), (65, 30473091), (69, 28706535), (81, 24453715), (99, 20007585), (115, 17223921), (117, 16929495), (135, 14672229), (143, 13851405), (165, 12004551), (195, 10157697), (207, 9568845), (253, 7829055), (297, 6669195), (299, 6624585), (345, 5741307), (351, 5643165), (405, 4890743), (429, 4617135), (495, 4001517), (585, 3385899), (621, 3189615), (715, 2770281), (759, 2609685), (891, 2223065), (897, 2208195), (1035, 1913769), (1053, 1881055), (1265, 1565811), (1287, 1539045), (1485, 1333839), (1487, 1332045), (1495, 1324917), (1755, 1128633), (1863, 1063205), (2145, 923427), (2277, 869895), (2691, 736065), (3105, 637923), (3289, 602235), (3795, 521937), (3861, 513015), (4455, 444613), (4461, 444015), (4485, 441639), (5265, 376211), (6435, 307809), (6831, 289965), (7435, 266409), (8073, 245355), (9315, 212641), (9867, 200745), (11385, 173979), (11583, 171005), (13383, 148005), (13455, 147213), (16357, 121095), (16445, 120447), (19305, 102603), (19331, 102465), (20493, 96655), (22305, 88803), (24219, 81785), (29601, 66915), (34155, 57993), (34201, 57915), (40149, 49335), (40365, 49071)]