161393040

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{74719}}^1$

素因数の和:74741

約数の個数: 80

約数和(自身を含む): 555916800

約数和(自身を除く): 394523760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 74719, 149438, 224157, 298876, 373595, 448314, 597752, 672471, 747190, 896628, 1120785, 1195504, 1344942, 1494380, 1793256, 2017413, 2241570, 2689884, 2988760, 3362355, 3586512, 4034826, 4483140, 5379768, 5977520, 6724710, 8069652, 8966280, 10087065, 10759536, 13449420, 16139304, 17932560, 20174130, 26898840, 32278608, 40348260, 53797680, 80696520, 161393040]

約数ペア:

[(1, 161393040), (2, 80696520), (3, 53797680), (4, 40348260), (5, 32278608), (6, 26898840), (8, 20174130), (9, 17932560), (10, 16139304), (12, 13449420), (15, 10759536), (16, 10087065), (18, 8966280), (20, 8069652), (24, 6724710), (27, 5977520), (30, 5379768), (36, 4483140), (40, 4034826), (45, 3586512), (48, 3362355), (54, 2988760), (60, 2689884), (72, 2241570), (80, 2017413), (90, 1793256), (108, 1494380), (120, 1344942), (135, 1195504), (144, 1120785), (180, 896628), (216, 747190), (240, 672471), (270, 597752), (360, 448314), (432, 373595), (540, 298876), (720, 224157), (1080, 149438), (2160, 74719)]