28672380

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1609}}^1$

素因数の和:1641

約数の個数: 120

約数和(自身を含む): 98184240

約数和(自身を除く): 69511860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 81, 90, 99, 108, 110, 132, 135, 162, 165, 180, 198, 220, 270, 297, 324, 330, 396, 405, 495, 540, 594, 660, 810, 891, 990, 1188, 1485, 1609, 1620, 1782, 1980, 2970, 3218, 3564, 4455, 4827, 5940, 6436, 8045, 8910, 9654, 14481, 16090, 17699, 17820, 19308, 24135, 28962, 32180, 35398, 43443, 48270, 53097, 57924, 70796, 72405, 86886, 88495, 96540, 106194, 130329, 144810, 159291, 173772, 176990, 212388, 217215, 260658, 265485, 289620, 318582, 353980, 434430, 477873, 521316, 530970, 637164, 651645, 796455, 868860, 955746, 1061940, 1303290, 1433619, 1592910, 1911492, 2389365, 2606580, 2867238, 3185820, 4778730, 5734476, 7168095, 9557460, 14336190, 28672380]

約数ペア:

[(1, 28672380), (2, 14336190), (3, 9557460), (4, 7168095), (5, 5734476), (6, 4778730), (9, 3185820), (10, 2867238), (11, 2606580), (12, 2389365), (15, 1911492), (18, 1592910), (20, 1433619), (22, 1303290), (27, 1061940), (30, 955746), (33, 868860), (36, 796455), (44, 651645), (45, 637164), (54, 530970), (55, 521316), (60, 477873), (66, 434430), (81, 353980), (90, 318582), (99, 289620), (108, 265485), (110, 260658), (132, 217215), (135, 212388), (162, 176990), (165, 173772), (180, 159291), (198, 144810), (220, 130329), (270, 106194), (297, 96540), (324, 88495), (330, 86886), (396, 72405), (405, 70796), (495, 57924), (540, 53097), (594, 48270), (660, 43443), (810, 35398), (891, 32180), (990, 28962), (1188, 24135), (1485, 19308), (1609, 17820), (1620, 17699), (1782, 16090), (1980, 14481), (2970, 9654), (3218, 8910), (3564, 8045), (4455, 6436), (4827, 5940)]