81963120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20089}}^1$

素因数の和:20122

約数の個数: 80

約数和(自身を含む): 269045280

約数和(自身を除く): 187082160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 20089, 40178, 60267, 80356, 100445, 120534, 160712, 200890, 241068, 301335, 321424, 341513, 401780, 482136, 602670, 683026, 803560, 964272, 1024539, 1205340, 1366052, 1607120, 1707565, 2049078, 2410680, 2732104, 3415130, 4098156, 4821360, 5122695, 5464208, 6830260, 8196312, 10245390, 13660520, 16392624, 20490780, 27321040, 40981560, 81963120]

約数ペア:

[(1, 81963120), (2, 40981560), (3, 27321040), (4, 20490780), (5, 16392624), (6, 13660520), (8, 10245390), (10, 8196312), (12, 6830260), (15, 5464208), (16, 5122695), (17, 4821360), (20, 4098156), (24, 3415130), (30, 2732104), (34, 2410680), (40, 2049078), (48, 1707565), (51, 1607120), (60, 1366052), (68, 1205340), (80, 1024539), (85, 964272), (102, 803560), (120, 683026), (136, 602670), (170, 482136), (204, 401780), (240, 341513), (255, 321424), (272, 301335), (340, 241068), (408, 200890), (510, 160712), (680, 120534), (816, 100445), (1020, 80356), (1360, 60267), (2040, 40178), (4080, 20089)]