64980000

素因数分解:

$2^5\times 3^2\times 5^4\times {\mathrm{19}}^2$

素因数の和:74

約数の個数: 270

約数和(自身を含む): 243702459

約数和(自身を除く): 178722459

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 25, 30, 32, 36, 38, 40, 45, 48, 50, 57, 60, 72, 75, 76, 80, 90, 95, 96, 100, 114, 120, 125, 144, 150, 152, 160, 171, 180, 190, 200, 225, 228, 240, 250, 285, 288, 300, 304, 342, 360, 361, 375, 380, 400, 450, 456, 475, 480, 500, 570, 600, 608, 625, 684, 720, 722, 750, 760, 800, 855, 900, 912, 950, 1000, 1083, 1125, 1140, 1200, 1250, 1368, 1425, 1440, 1444, 1500, 1520, 1710, 1800, 1805, 1824, 1875, 1900, 2000, 2166, 2250, 2280, 2375, 2400, 2500, 2736, 2850, 2888, 3000, 3040, 3249, 3420, 3600, 3610, 3750, 3800, 4000, 4275, 4332, 4500, 4560, 4750, 5000, 5415, 5472, 5625, 5700, 5776, 6000, 6498, 6840, 7125, 7200, 7220, 7500, 7600, 8550, 8664, 9000, 9025, 9120, 9500, 10000, 10830, 11250, 11400, 11552, 11875, 12000, 12996, 13680, 14250, 14440, 15000, 15200, 16245, 17100, 17328, 18000, 18050, 19000, 20000, 21375, 21660, 22500, 22800, 23750, 25992, 27075, 27360, 28500, 28880, 30000, 32490, 34200, 34656, 35625, 36000, 36100, 38000, 42750, 43320, 45000, 45125, 45600, 47500, 51984, 54150, 57000, 57760, 60000, 64980, 68400, 71250, 72200, 76000, 81225, 85500, 86640, 90000, 90250, 95000, 103968, 106875, 108300, 114000, 129960, 135375, 136800, 142500, 144400, 162450, 171000, 173280, 180000, 180500, 190000, 213750, 216600, 225625, 228000, 259920, 270750, 285000, 288800, 324900, 342000, 361000, 380000, 406125, 427500, 433200, 451250, 519840, 541500, 570000, 649800, 676875, 684000, 722000, 812250, 855000, 866400, 902500, 1083000, 1140000, 1299600, 1353750, 1444000, 1624500, 1710000, 1805000, 2030625, 2166000, 2599200, 2707500, 3249000, 3420000, 3610000, 4061250, 4332000, 5415000, 6498000, 7220000, 8122500, 10830000, 12996000, 16245000, 21660000, 32490000, 64980000]

約数ペア:

[(1, 64980000), (2, 32490000), (3, 21660000), (4, 16245000), (5, 12996000), (6, 10830000), (8, 8122500), (9, 7220000), (10, 6498000), (12, 5415000), (15, 4332000), (16, 4061250), (18, 3610000), (19, 3420000), (20, 3249000), (24, 2707500), (25, 2599200), (30, 2166000), (32, 2030625), (36, 1805000), (38, 1710000), (40, 1624500), (45, 1444000), (48, 1353750), (50, 1299600), (57, 1140000), (60, 1083000), (72, 902500), (75, 866400), (76, 855000), (80, 812250), (90, 722000), (95, 684000), (96, 676875), (100, 649800), (114, 570000), (120, 541500), (125, 519840), (144, 451250), (150, 433200), (152, 427500), (160, 406125), (171, 380000), (180, 361000), (190, 342000), (200, 324900), (225, 288800), (228, 285000), (240, 270750), (250, 259920), (285, 228000), (288, 225625), (300, 216600), (304, 213750), (342, 190000), (360, 180500), (361, 180000), (375, 173280), (380, 171000), (400, 162450), (450, 144400), (456, 142500), (475, 136800), (480, 135375), (500, 129960), (570, 114000), (600, 108300), (608, 106875), (625, 103968), (684, 95000), (720, 90250), (722, 90000), (750, 86640), (760, 85500), (800, 81225), (855, 76000), (900, 72200), (912, 71250), (950, 68400), (1000, 64980), (1083, 60000), (1125, 57760), (1140, 57000), (1200, 54150), (1250, 51984), (1368, 47500), (1425, 45600), (1440, 45125), (1444, 45000), (1500, 43320), (1520, 42750), (1710, 38000), (1800, 36100), (1805, 36000), (1824, 35625), (1875, 34656), (1900, 34200), (2000, 32490), (2166, 30000), (2250, 28880), (2280, 28500), (2375, 27360), (2400, 27075), (2500, 25992), (2736, 23750), (2850, 22800), (2888, 22500), (3000, 21660), (3040, 21375), (3249, 20000), (3420, 19000), (3600, 18050), (3610, 18000), (3750, 17328), (3800, 17100), (4000, 16245), (4275, 15200), (4332, 15000), (4500, 14440), (4560, 14250), (4750, 13680), (5000, 12996), (5415, 12000), (5472, 11875), (5625, 11552), (5700, 11400), (5776, 11250), (6000, 10830), (6498, 10000), (6840, 9500), (7125, 9120), (7200, 9025), (7220, 9000), (7500, 8664), (7600, 8550)]