388478160

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{25693}}^1$

素因数の和:25722

約数の個数: 160

約数和(自身を含む): 1529306880

約数和(自身を除く): 1140828720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 15120, 25693, 51386, 77079, 102772, 128465, 154158, 179851, 205544, 231237, 256930, 308316, 359702, 385395, 411088, 462474, 513860, 539553, 616632, 693711, 719404, 770790, 899255, 924948, 1027720, 1079106, 1156185, 1233264, 1387422, 1438808, 1541580, 1618659, 1798510, 1849896, 2055440, 2158212, 2312370, 2697765, 2774844, 2877616, 3083160, 3237318, 3468555, 3597020, 3699792, 4316424, 4624740, 4855977, 5395530, 5549688, 6166320, 6474636, 6937110, 7194040, 8093295, 8632848, 9249480, 9711954, 10791060, 11099376, 12949272, 13874220, 14388080, 16186590, 18498960, 19423908, 21582120, 24279885, 25898544, 27748440, 32373180, 38847816, 43164240, 48559770, 55496880, 64746360, 77695632, 97119540, 129492720, 194239080, 388478160]

約数ペア:

[(1, 388478160), (2, 194239080), (3, 129492720), (4, 97119540), (5, 77695632), (6, 64746360), (7, 55496880), (8, 48559770), (9, 43164240), (10, 38847816), (12, 32373180), (14, 27748440), (15, 25898544), (16, 24279885), (18, 21582120), (20, 19423908), (21, 18498960), (24, 16186590), (27, 14388080), (28, 13874220), (30, 12949272), (35, 11099376), (36, 10791060), (40, 9711954), (42, 9249480), (45, 8632848), (48, 8093295), (54, 7194040), (56, 6937110), (60, 6474636), (63, 6166320), (70, 5549688), (72, 5395530), (80, 4855977), (84, 4624740), (90, 4316424), (105, 3699792), (108, 3597020), (112, 3468555), (120, 3237318), (126, 3083160), (135, 2877616), (140, 2774844), (144, 2697765), (168, 2312370), (180, 2158212), (189, 2055440), (210, 1849896), (216, 1798510), (240, 1618659), (252, 1541580), (270, 1438808), (280, 1387422), (315, 1233264), (336, 1156185), (360, 1079106), (378, 1027720), (420, 924948), (432, 899255), (504, 770790), (540, 719404), (560, 693711), (630, 616632), (720, 539553), (756, 513860), (840, 462474), (945, 411088), (1008, 385395), (1080, 359702), (1260, 308316), (1512, 256930), (1680, 231237), (1890, 205544), (2160, 179851), (2520, 154158), (3024, 128465), (3780, 102772), (5040, 77079), (7560, 51386), (15120, 25693)]