64985400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{457}}^1$

素因数の和:558

約数の個数: 144

約数和(自身を含む): 221488800

約数和(自身を除く): 156503400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 79, 90, 100, 120, 150, 158, 180, 200, 225, 237, 300, 316, 360, 395, 450, 457, 474, 600, 632, 711, 790, 900, 914, 948, 1185, 1371, 1422, 1580, 1800, 1828, 1896, 1975, 2285, 2370, 2742, 2844, 3160, 3555, 3656, 3950, 4113, 4570, 4740, 5484, 5688, 5925, 6855, 7110, 7900, 8226, 9140, 9480, 10968, 11425, 11850, 13710, 14220, 15800, 16452, 17775, 18280, 20565, 22850, 23700, 27420, 28440, 32904, 34275, 35550, 36103, 41130, 45700, 47400, 54840, 68550, 71100, 72206, 82260, 91400, 102825, 108309, 137100, 142200, 144412, 164520, 180515, 205650, 216618, 274200, 288824, 324927, 361030, 411300, 433236, 541545, 649854, 722060, 822600, 866472, 902575, 1083090, 1299708, 1444120, 1624635, 1805150, 2166180, 2599416, 2707725, 3249270, 3610300, 4332360, 5415450, 6498540, 7220600, 8123175, 10830900, 12997080, 16246350, 21661800, 32492700, 64985400]

約数ペア:

[(1, 64985400), (2, 32492700), (3, 21661800), (4, 16246350), (5, 12997080), (6, 10830900), (8, 8123175), (9, 7220600), (10, 6498540), (12, 5415450), (15, 4332360), (18, 3610300), (20, 3249270), (24, 2707725), (25, 2599416), (30, 2166180), (36, 1805150), (40, 1624635), (45, 1444120), (50, 1299708), (60, 1083090), (72, 902575), (75, 866472), (79, 822600), (90, 722060), (100, 649854), (120, 541545), (150, 433236), (158, 411300), (180, 361030), (200, 324927), (225, 288824), (237, 274200), (300, 216618), (316, 205650), (360, 180515), (395, 164520), (450, 144412), (457, 142200), (474, 137100), (600, 108309), (632, 102825), (711, 91400), (790, 82260), (900, 72206), (914, 71100), (948, 68550), (1185, 54840), (1371, 47400), (1422, 45700), (1580, 41130), (1800, 36103), (1828, 35550), (1896, 34275), (1975, 32904), (2285, 28440), (2370, 27420), (2742, 23700), (2844, 22850), (3160, 20565), (3555, 18280), (3656, 17775), (3950, 16452), (4113, 15800), (4570, 14220), (4740, 13710), (5484, 11850), (5688, 11425), (5925, 10968), (6855, 9480), (7110, 9140), (7900, 8226)]