664906480

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{2389}}^1$

素因数の和:2487

約数の個数: 120

約数和(自身を含む): 1824392160

約数和(自身を除く): 1159485680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 71, 80, 98, 112, 140, 142, 196, 245, 280, 284, 355, 392, 490, 497, 560, 568, 710, 784, 980, 994, 1136, 1420, 1960, 1988, 2389, 2485, 2840, 3479, 3920, 3976, 4778, 4970, 5680, 6958, 7952, 9556, 9940, 11945, 13916, 16723, 17395, 19112, 19880, 23890, 27832, 33446, 34790, 38224, 39760, 47780, 55664, 66892, 69580, 83615, 95560, 117061, 133784, 139160, 167230, 169619, 191120, 234122, 267568, 278320, 334460, 339238, 468244, 585305, 668920, 678476, 848095, 936488, 1170610, 1187333, 1337840, 1356952, 1696190, 1872976, 2341220, 2374666, 2713904, 3392380, 4682440, 4749332, 5936665, 6784760, 8311331, 9364880, 9498664, 11873330, 13569520, 16622662, 18997328, 23746660, 33245324, 41556655, 47493320, 66490648, 83113310, 94986640, 132981296, 166226620, 332453240, 664906480]

約数ペア:

[(1, 664906480), (2, 332453240), (4, 166226620), (5, 132981296), (7, 94986640), (8, 83113310), (10, 66490648), (14, 47493320), (16, 41556655), (20, 33245324), (28, 23746660), (35, 18997328), (40, 16622662), (49, 13569520), (56, 11873330), (70, 9498664), (71, 9364880), (80, 8311331), (98, 6784760), (112, 5936665), (140, 4749332), (142, 4682440), (196, 3392380), (245, 2713904), (280, 2374666), (284, 2341220), (355, 1872976), (392, 1696190), (490, 1356952), (497, 1337840), (560, 1187333), (568, 1170610), (710, 936488), (784, 848095), (980, 678476), (994, 668920), (1136, 585305), (1420, 468244), (1960, 339238), (1988, 334460), (2389, 278320), (2485, 267568), (2840, 234122), (3479, 191120), (3920, 169619), (3976, 167230), (4778, 139160), (4970, 133784), (5680, 117061), (6958, 95560), (7952, 83615), (9556, 69580), (9940, 66892), (11945, 55664), (13916, 47780), (16723, 39760), (17395, 38224), (19112, 34790), (19880, 33446), (23890, 27832)]