401091520

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1609}}^1$

素因数の和:1686

約数の個数: 112

約数和(自身を含む): 1030528800

約数和(自身を除く): 629437280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 41, 64, 76, 80, 82, 95, 152, 160, 164, 190, 205, 304, 320, 328, 380, 410, 608, 656, 760, 779, 820, 1216, 1312, 1520, 1558, 1609, 1640, 2624, 3040, 3116, 3218, 3280, 3895, 6080, 6232, 6436, 6560, 7790, 8045, 12464, 12872, 13120, 15580, 16090, 24928, 25744, 30571, 31160, 32180, 49856, 51488, 61142, 62320, 64360, 65969, 102976, 122284, 124640, 128720, 131938, 152855, 244568, 249280, 257440, 263876, 305710, 329845, 489136, 514880, 527752, 611420, 659690, 978272, 1055504, 1222840, 1253411, 1319380, 1956544, 2111008, 2445680, 2506822, 2638760, 4222016, 4891360, 5013644, 5277520, 6267055, 9782720, 10027288, 10555040, 12534110, 20054576, 21110080, 25068220, 40109152, 50136440, 80218304, 100272880, 200545760, 401091520]

約数ペア:

[(1, 401091520), (2, 200545760), (4, 100272880), (5, 80218304), (8, 50136440), (10, 40109152), (16, 25068220), (19, 21110080), (20, 20054576), (32, 12534110), (38, 10555040), (40, 10027288), (41, 9782720), (64, 6267055), (76, 5277520), (80, 5013644), (82, 4891360), (95, 4222016), (152, 2638760), (160, 2506822), (164, 2445680), (190, 2111008), (205, 1956544), (304, 1319380), (320, 1253411), (328, 1222840), (380, 1055504), (410, 978272), (608, 659690), (656, 611420), (760, 527752), (779, 514880), (820, 489136), (1216, 329845), (1312, 305710), (1520, 263876), (1558, 257440), (1609, 249280), (1640, 244568), (2624, 152855), (3040, 131938), (3116, 128720), (3218, 124640), (3280, 122284), (3895, 102976), (6080, 65969), (6232, 64360), (6436, 62320), (6560, 61142), (7790, 51488), (8045, 49856), (12464, 32180), (12872, 31160), (13120, 30571), (15580, 25744), (16090, 24928)]