17391920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2389}}^1$

素因数の和:2422

約数の個数: 80

約数和(自身を含む): 49788480

約数和(自身を除く): 32396560

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 2389, 3640, 4778, 7280, 9556, 11945, 16723, 19112, 23890, 31057, 33446, 38224, 47780, 62114, 66892, 83615, 95560, 124228, 133784, 155285, 167230, 191120, 217399, 248456, 267568, 310570, 334460, 434798, 496912, 621140, 668920, 869596, 1086995, 1242280, 1337840, 1739192, 2173990, 2484560, 3478384, 4347980, 8695960, 17391920]

約数ペア:

[(1, 17391920), (2, 8695960), (4, 4347980), (5, 3478384), (7, 2484560), (8, 2173990), (10, 1739192), (13, 1337840), (14, 1242280), (16, 1086995), (20, 869596), (26, 668920), (28, 621140), (35, 496912), (40, 434798), (52, 334460), (56, 310570), (65, 267568), (70, 248456), (80, 217399), (91, 191120), (104, 167230), (112, 155285), (130, 133784), (140, 124228), (182, 95560), (208, 83615), (260, 66892), (280, 62114), (364, 47780), (455, 38224), (520, 33446), (560, 31057), (728, 23890), (910, 19112), (1040, 16723), (1456, 11945), (1820, 9556), (2389, 7280), (3640, 4778)]