644606640

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{1787}}^1$

素因数の和:1976

約数の個数: 160

約数和(自身を含む): 2234856960

約数和(自身を除く): 1590250320

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, 167, 180, 216, 240, 270, 334, 360, 432, 501, 540, 668, 720, 835, 1002, 1080, 1336, 1503, 1670, 1787, 2004, 2160, 2505, 2672, 3006, 3340, 3574, 4008, 4509, 5010, 5361, 6012, 6680, 7148, 7515, 8016, 8935, 9018, 10020, 10722, 12024, 13360, 14296, 15030, 16083, 17870, 18036, 20040, 21444, 22545, 24048, 26805, 28592, 30060, 32166, 35740, 36072, 40080, 42888, 45090, 48249, 53610, 60120, 64332, 71480, 72144, 80415, 85776, 90180, 96498, 107220, 120240, 128664, 142960, 160830, 180360, 192996, 214440, 241245, 257328, 298429, 321660, 360720, 385992, 428880, 482490, 596858, 643320, 771984, 895287, 964980, 1193716, 1286640, 1492145, 1790574, 1929960, 2387432, 2685861, 2984290, 3581148, 3859920, 4476435, 4774864, 5371722, 5968580, 7162296, 8057583, 8952870, 10743444, 11937160, 13429305, 14324592, 16115166, 17905740, 21486888, 23874320, 26858610, 32230332, 35811480, 40287915, 42973776, 53717220, 64460664, 71622960, 80575830, 107434440, 128921328, 161151660, 214868880, 322303320, 644606640]

約数ペア:

[(1, 644606640), (2, 322303320), (3, 214868880), (4, 161151660), (5, 128921328), (6, 107434440), (8, 80575830), (9, 71622960), (10, 64460664), (12, 53717220), (15, 42973776), (16, 40287915), (18, 35811480), (20, 32230332), (24, 26858610), (27, 23874320), (30, 21486888), (36, 17905740), (40, 16115166), (45, 14324592), (48, 13429305), (54, 11937160), (60, 10743444), (72, 8952870), (80, 8057583), (90, 7162296), (108, 5968580), (120, 5371722), (135, 4774864), (144, 4476435), (167, 3859920), (180, 3581148), (216, 2984290), (240, 2685861), (270, 2387432), (334, 1929960), (360, 1790574), (432, 1492145), (501, 1286640), (540, 1193716), (668, 964980), (720, 895287), (835, 771984), (1002, 643320), (1080, 596858), (1336, 482490), (1503, 428880), (1670, 385992), (1787, 360720), (2004, 321660), (2160, 298429), (2505, 257328), (2672, 241245), (3006, 214440), (3340, 192996), (3574, 180360), (4008, 160830), (4509, 142960), (5010, 128664), (5361, 120240), (6012, 107220), (6680, 96498), (7148, 90180), (7515, 85776), (8016, 80415), (8935, 72144), (9018, 71480), (10020, 64332), (10722, 60120), (12024, 53610), (13360, 48249), (14296, 45090), (15030, 42888), (16083, 40080), (17870, 36072), (18036, 35740), (20040, 32166), (21444, 30060), (22545, 28592), (24048, 26805)]