18185440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1249}}^1$

素因数の和:1284

約数の個数: 96

約数和(自身を含む): 52920000

約数和(自身を除く): 34734560

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 260, 280, 364, 416, 455, 520, 560, 728, 910, 1040, 1120, 1249, 1456, 1820, 2080, 2498, 2912, 3640, 4996, 6245, 7280, 8743, 9992, 12490, 14560, 16237, 17486, 19984, 24980, 32474, 34972, 39968, 43715, 49960, 64948, 69944, 81185, 87430, 99920, 113659, 129896, 139888, 162370, 174860, 199840, 227318, 259792, 279776, 324740, 349720, 454636, 519584, 568295, 649480, 699440, 909272, 1136590, 1298960, 1398880, 1818544, 2273180, 2597920, 3637088, 4546360, 9092720, 18185440]

約数ペア:

[(1, 18185440), (2, 9092720), (4, 4546360), (5, 3637088), (7, 2597920), (8, 2273180), (10, 1818544), (13, 1398880), (14, 1298960), (16, 1136590), (20, 909272), (26, 699440), (28, 649480), (32, 568295), (35, 519584), (40, 454636), (52, 349720), (56, 324740), (65, 279776), (70, 259792), (80, 227318), (91, 199840), (104, 174860), (112, 162370), (130, 139888), (140, 129896), (160, 113659), (182, 99920), (208, 87430), (224, 81185), (260, 69944), (280, 64948), (364, 49960), (416, 43715), (455, 39968), (520, 34972), (560, 32474), (728, 24980), (910, 19984), (1040, 17486), (1120, 16237), (1249, 14560), (1456, 12490), (1820, 9992), (2080, 8743), (2498, 7280), (2912, 6245), (3640, 4996)]