128501520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^4\times {\mathrm{223}}^1$

素因数の和:267

約数の個数: 200

約数和(自身を含む): 466803456

約数和(自身を除く): 338301936

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 223, 240, 245, 280, 294, 336, 343, 392, 420, 446, 490, 560, 588, 669, 686, 735, 784, 840, 892, 980, 1029, 1115, 1176, 1338, 1372, 1470, 1561, 1680, 1715, 1784, 1960, 2058, 2230, 2352, 2401, 2676, 2744, 2940, 3122, 3345, 3430, 3568, 3920, 4116, 4460, 4683, 4802, 5145, 5352, 5488, 5880, 6244, 6690, 6860, 7203, 7805, 8232, 8920, 9366, 9604, 10290, 10704, 10927, 11760, 12005, 12488, 13380, 13720, 14406, 15610, 16464, 17840, 18732, 19208, 20580, 21854, 23415, 24010, 24976, 26760, 27440, 28812, 31220, 32781, 36015, 37464, 38416, 41160, 43708, 46830, 48020, 53520, 54635, 57624, 62440, 65562, 72030, 74928, 76489, 82320, 87416, 93660, 96040, 109270, 115248, 124880, 131124, 144060, 152978, 163905, 174832, 187320, 192080, 218540, 229467, 262248, 288120, 305956, 327810, 374640, 382445, 437080, 458934, 524496, 535423, 576240, 611912, 655620, 764890, 874160, 917868, 1070846, 1147335, 1223824, 1311240, 1529780, 1606269, 1835736, 2141692, 2294670, 2622480, 2677115, 3059560, 3212538, 3671472, 4283384, 4589340, 5354230, 6119120, 6425076, 8031345, 8566768, 9178680, 10708460, 12850152, 16062690, 18357360, 21416920, 25700304, 32125380, 42833840, 64250760, 128501520]

約数ペア:

[(1, 128501520), (2, 64250760), (3, 42833840), (4, 32125380), (5, 25700304), (6, 21416920), (7, 18357360), (8, 16062690), (10, 12850152), (12, 10708460), (14, 9178680), (15, 8566768), (16, 8031345), (20, 6425076), (21, 6119120), (24, 5354230), (28, 4589340), (30, 4283384), (35, 3671472), (40, 3212538), (42, 3059560), (48, 2677115), (49, 2622480), (56, 2294670), (60, 2141692), (70, 1835736), (80, 1606269), (84, 1529780), (98, 1311240), (105, 1223824), (112, 1147335), (120, 1070846), (140, 917868), (147, 874160), (168, 764890), (196, 655620), (210, 611912), (223, 576240), (240, 535423), (245, 524496), (280, 458934), (294, 437080), (336, 382445), (343, 374640), (392, 327810), (420, 305956), (446, 288120), (490, 262248), (560, 229467), (588, 218540), (669, 192080), (686, 187320), (735, 174832), (784, 163905), (840, 152978), (892, 144060), (980, 131124), (1029, 124880), (1115, 115248), (1176, 109270), (1338, 96040), (1372, 93660), (1470, 87416), (1561, 82320), (1680, 76489), (1715, 74928), (1784, 72030), (1960, 65562), (2058, 62440), (2230, 57624), (2352, 54635), (2401, 53520), (2676, 48020), (2744, 46830), (2940, 43708), (3122, 41160), (3345, 38416), (3430, 37464), (3568, 36015), (3920, 32781), (4116, 31220), (4460, 28812), (4683, 27440), (4802, 26760), (5145, 24976), (5352, 24010), (5488, 23415), (5880, 21854), (6244, 20580), (6690, 19208), (6860, 18732), (7203, 17840), (7805, 16464), (8232, 15610), (8920, 14406), (9366, 13720), (9604, 13380), (10290, 12488), (10704, 12005), (10927, 11760)]