90649960

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{541}}^1$

素因数の和:682

約数の個数: 64

約数和(自身を含む): 210729600

約数和(自身を除く): 120079640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 71, 118, 142, 236, 284, 295, 355, 472, 541, 568, 590, 710, 1082, 1180, 1420, 2164, 2360, 2705, 2840, 4189, 4328, 5410, 8378, 10820, 16756, 20945, 21640, 31919, 33512, 38411, 41890, 63838, 76822, 83780, 127676, 153644, 159595, 167560, 192055, 255352, 307288, 319190, 384110, 638380, 768220, 1276760, 1536440, 2266249, 4532498, 9064996, 11331245, 18129992, 22662490, 45324980, 90649960]

約数ペア:

[(1, 90649960), (2, 45324980), (4, 22662490), (5, 18129992), (8, 11331245), (10, 9064996), (20, 4532498), (40, 2266249), (59, 1536440), (71, 1276760), (118, 768220), (142, 638380), (236, 384110), (284, 319190), (295, 307288), (355, 255352), (472, 192055), (541, 167560), (568, 159595), (590, 153644), (710, 127676), (1082, 83780), (1180, 76822), (1420, 63838), (2164, 41890), (2360, 38411), (2705, 33512), (2840, 31919), (4189, 21640), (4328, 20945), (5410, 16756), (8378, 10820)]