18680480

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1283}}^1$

素因数の和:1318

約数の個数: 96

約数和(自身を含む): 54359424

約数和(自身を除く): 35678944

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, 1283, 1456, 1820, 2080, 2566, 2912, 3640, 5132, 6415, 7280, 8981, 10264, 12830, 14560, 16679, 17962, 20528, 25660, 33358, 35924, 41056, 44905, 51320, 66716, 71848, 83395, 89810, 102640, 116753, 133432, 143696, 166790, 179620, 205280, 233506, 266864, 287392, 333580, 359240, 467012, 533728, 583765, 667160, 718480, 934024, 1167530, 1334320, 1436960, 1868048, 2335060, 2668640, 3736096, 4670120, 9340240, 18680480]

約数ペア:

[(1, 18680480), (2, 9340240), (4, 4670120), (5, 3736096), (7, 2668640), (8, 2335060), (10, 1868048), (13, 1436960), (14, 1334320), (16, 1167530), (20, 934024), (26, 718480), (28, 667160), (32, 583765), (35, 533728), (40, 467012), (52, 359240), (56, 333580), (65, 287392), (70, 266864), (80, 233506), (91, 205280), (104, 179620), (112, 166790), (130, 143696), (140, 133432), (160, 116753), (182, 102640), (208, 89810), (224, 83395), (260, 71848), (280, 66716), (364, 51320), (416, 44905), (455, 41056), (520, 35924), (560, 33358), (728, 25660), (910, 20528), (1040, 17962), (1120, 16679), (1283, 14560), (1456, 12830), (1820, 10264), (2080, 8981), (2566, 7280), (2912, 6415), (3640, 5132)]