28379340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1303}}^1$

素因数の和:1340

約数の個数: 108

約数和(自身を含む): 94693872

約数和(自身を除く): 66314532

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 121, 132, 165, 180, 198, 220, 242, 330, 363, 396, 484, 495, 605, 660, 726, 990, 1089, 1210, 1303, 1452, 1815, 1980, 2178, 2420, 2606, 3630, 3909, 4356, 5212, 5445, 6515, 7260, 7818, 10890, 11727, 13030, 14333, 15636, 19545, 21780, 23454, 26060, 28666, 39090, 42999, 46908, 57332, 58635, 71665, 78180, 85998, 117270, 128997, 143330, 157663, 171996, 214995, 234540, 257994, 286660, 315326, 429990, 472989, 515988, 630652, 644985, 788315, 859980, 945978, 1289970, 1418967, 1576630, 1891956, 2364945, 2579940, 2837934, 3153260, 4729890, 5675868, 7094835, 9459780, 14189670, 28379340]

約数ペア:

[(1, 28379340), (2, 14189670), (3, 9459780), (4, 7094835), (5, 5675868), (6, 4729890), (9, 3153260), (10, 2837934), (11, 2579940), (12, 2364945), (15, 1891956), (18, 1576630), (20, 1418967), (22, 1289970), (30, 945978), (33, 859980), (36, 788315), (44, 644985), (45, 630652), (55, 515988), (60, 472989), (66, 429990), (90, 315326), (99, 286660), (110, 257994), (121, 234540), (132, 214995), (165, 171996), (180, 157663), (198, 143330), (220, 128997), (242, 117270), (330, 85998), (363, 78180), (396, 71665), (484, 58635), (495, 57332), (605, 46908), (660, 42999), (726, 39090), (990, 28666), (1089, 26060), (1210, 23454), (1303, 21780), (1452, 19545), (1815, 15636), (1980, 14333), (2178, 13030), (2420, 11727), (2606, 10890), (3630, 7818), (3909, 7260), (4356, 6515), (5212, 5445)]