128989620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1$

素因数の和:334

約数の個数: 144

約数和(自身を含む): 406748160

約数和(自身を除く): 277758540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 79, 90, 94, 141, 158, 180, 188, 193, 235, 237, 282, 316, 386, 395, 423, 470, 474, 564, 579, 705, 711, 772, 790, 846, 940, 948, 965, 1158, 1185, 1410, 1422, 1580, 1692, 1737, 1930, 2115, 2316, 2370, 2820, 2844, 2895, 3474, 3555, 3713, 3860, 4230, 4740, 5790, 6948, 7110, 7426, 8460, 8685, 9071, 11139, 11580, 14220, 14852, 15247, 17370, 18142, 18565, 22278, 27213, 30494, 33417, 34740, 36284, 37130, 44556, 45355, 45741, 54426, 55695, 60988, 66834, 74260, 76235, 81639, 90710, 91482, 108852, 111390, 133668, 136065, 137223, 152470, 163278, 167085, 181420, 182964, 222780, 228705, 272130, 274446, 304940, 326556, 334170, 408195, 457410, 544260, 548892, 668340, 686115, 716609, 816390, 914820, 1372230, 1433218, 1632780, 2149827, 2744460, 2866436, 3583045, 4299654, 6449481, 7166090, 8599308, 10749135, 12898962, 14332180, 21498270, 25797924, 32247405, 42996540, 64494810, 128989620]

約数ペア:

[(1, 128989620), (2, 64494810), (3, 42996540), (4, 32247405), (5, 25797924), (6, 21498270), (9, 14332180), (10, 12898962), (12, 10749135), (15, 8599308), (18, 7166090), (20, 6449481), (30, 4299654), (36, 3583045), (45, 2866436), (47, 2744460), (60, 2149827), (79, 1632780), (90, 1433218), (94, 1372230), (141, 914820), (158, 816390), (180, 716609), (188, 686115), (193, 668340), (235, 548892), (237, 544260), (282, 457410), (316, 408195), (386, 334170), (395, 326556), (423, 304940), (470, 274446), (474, 272130), (564, 228705), (579, 222780), (705, 182964), (711, 181420), (772, 167085), (790, 163278), (846, 152470), (940, 137223), (948, 136065), (965, 133668), (1158, 111390), (1185, 108852), (1410, 91482), (1422, 90710), (1580, 81639), (1692, 76235), (1737, 74260), (1930, 66834), (2115, 60988), (2316, 55695), (2370, 54426), (2820, 45741), (2844, 45355), (2895, 44556), (3474, 37130), (3555, 36284), (3713, 34740), (3860, 33417), (4230, 30494), (4740, 27213), (5790, 22278), (6948, 18565), (7110, 18142), (7426, 17370), (8460, 15247), (8685, 14852), (9071, 14220), (11139, 11580)]