74721920

素因数分解:

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

素因数の和:1322

約数の個数: 128

約数和(自身を含む): 220026240

約数和(自身を除く): 145304320

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 182, 208, 224, 260, 280, 320, 364, 416, 448, 455, 520, 560, 640, 728, 832, 896, 910, 1040, 1120, 1283, 1456, 1664, 1820, 2080, 2240, 2566, 2912, 3640, 4160, 4480, 5132, 5824, 6415, 7280, 8320, 8981, 10264, 11648, 12830, 14560, 16679, 17962, 20528, 25660, 29120, 33358, 35924, 41056, 44905, 51320, 58240, 66716, 71848, 82112, 83395, 89810, 102640, 116753, 133432, 143696, 164224, 166790, 179620, 205280, 233506, 266864, 287392, 333580, 359240, 410560, 467012, 533728, 574784, 583765, 667160, 718480, 821120, 934024, 1067456, 1149568, 1167530, 1334320, 1436960, 1868048, 2134912, 2335060, 2668640, 2873920, 3736096, 4670120, 5337280, 5747840, 7472192, 9340240, 10674560, 14944384, 18680480, 37360960, 74721920]

約数ペア:

[(1, 74721920), (2, 37360960), (4, 18680480), (5, 14944384), (7, 10674560), (8, 9340240), (10, 7472192), (13, 5747840), (14, 5337280), (16, 4670120), (20, 3736096), (26, 2873920), (28, 2668640), (32, 2335060), (35, 2134912), (40, 1868048), (52, 1436960), (56, 1334320), (64, 1167530), (65, 1149568), (70, 1067456), (80, 934024), (91, 821120), (104, 718480), (112, 667160), (128, 583765), (130, 574784), (140, 533728), (160, 467012), (182, 410560), (208, 359240), (224, 333580), (260, 287392), (280, 266864), (320, 233506), (364, 205280), (416, 179620), (448, 166790), (455, 164224), (520, 143696), (560, 133432), (640, 116753), (728, 102640), (832, 89810), (896, 83395), (910, 82112), (1040, 71848), (1120, 66716), (1283, 58240), (1456, 51320), (1664, 44905), (1820, 41056), (2080, 35924), (2240, 33358), (2566, 29120), (2912, 25660), (3640, 20528), (4160, 17962), (4480, 16679), (5132, 14560), (5824, 12830), (6415, 11648), (7280, 10264), (8320, 8981)]