1290098320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{883}}^1\times {\mathrm{2609}}^1$

素因数の和:3512

約数の個数: 80

約数和(自身を含む): 3433173120

約数和(自身を除く): 2143074800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 883, 1766, 2609, 3532, 4415, 5218, 6181, 7064, 8830, 10436, 12362, 13045, 14128, 17660, 18263, 20872, 24724, 26090, 30905, 35320, 36526, 41744, 49448, 52180, 61810, 70640, 73052, 91315, 98896, 104360, 123620, 146104, 182630, 208720, 247240, 292208, 365260, 494480, 730520, 1461040, 2303747, 4607494, 9214988, 11518735, 16126229, 18429976, 23037470, 32252458, 36859952, 46074940, 64504916, 80631145, 92149880, 129009832, 161262290, 184299760, 258019664, 322524580, 645049160, 1290098320]

約数ペア:

[(1, 1290098320), (2, 645049160), (4, 322524580), (5, 258019664), (7, 184299760), (8, 161262290), (10, 129009832), (14, 92149880), (16, 80631145), (20, 64504916), (28, 46074940), (35, 36859952), (40, 32252458), (56, 23037470), (70, 18429976), (80, 16126229), (112, 11518735), (140, 9214988), (280, 4607494), (560, 2303747), (883, 1461040), (1766, 730520), (2609, 494480), (3532, 365260), (4415, 292208), (5218, 247240), (6181, 208720), (7064, 182630), (8830, 146104), (10436, 123620), (12362, 104360), (13045, 98896), (14128, 91315), (17660, 73052), (18263, 70640), (20872, 61810), (24724, 52180), (26090, 49448), (30905, 41744), (35320, 36526)]