21660000

素因数分解:

$2^5\times 3^1\times 5^4\times {\mathrm{19}}^2$

素因数の和:71

約数の個数: 180

約数和(自身を含む): 74985372

約数和(自身を除く): 53325372

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 25, 30, 32, 38, 40, 48, 50, 57, 60, 75, 76, 80, 95, 96, 100, 114, 120, 125, 150, 152, 160, 190, 200, 228, 240, 250, 285, 300, 304, 361, 375, 380, 400, 456, 475, 480, 500, 570, 600, 608, 625, 722, 750, 760, 800, 912, 950, 1000, 1083, 1140, 1200, 1250, 1425, 1444, 1500, 1520, 1805, 1824, 1875, 1900, 2000, 2166, 2280, 2375, 2400, 2500, 2850, 2888, 3000, 3040, 3610, 3750, 3800, 4000, 4332, 4560, 4750, 5000, 5415, 5700, 5776, 6000, 7125, 7220, 7500, 7600, 8664, 9025, 9120, 9500, 10000, 10830, 11400, 11552, 11875, 12000, 14250, 14440, 15000, 15200, 17328, 18050, 19000, 20000, 21660, 22800, 23750, 27075, 28500, 28880, 30000, 34656, 35625, 36100, 38000, 43320, 45125, 45600, 47500, 54150, 57000, 57760, 60000, 71250, 72200, 76000, 86640, 90250, 95000, 108300, 114000, 135375, 142500, 144400, 173280, 180500, 190000, 216600, 225625, 228000, 270750, 285000, 288800, 361000, 380000, 433200, 451250, 541500, 570000, 676875, 722000, 866400, 902500, 1083000, 1140000, 1353750, 1444000, 1805000, 2166000, 2707500, 3610000, 4332000, 5415000, 7220000, 10830000, 21660000]

約数ペア:

[(1, 21660000), (2, 10830000), (3, 7220000), (4, 5415000), (5, 4332000), (6, 3610000), (8, 2707500), (10, 2166000), (12, 1805000), (15, 1444000), (16, 1353750), (19, 1140000), (20, 1083000), (24, 902500), (25, 866400), (30, 722000), (32, 676875), (38, 570000), (40, 541500), (48, 451250), (50, 433200), (57, 380000), (60, 361000), (75, 288800), (76, 285000), (80, 270750), (95, 228000), (96, 225625), (100, 216600), (114, 190000), (120, 180500), (125, 173280), (150, 144400), (152, 142500), (160, 135375), (190, 114000), (200, 108300), (228, 95000), (240, 90250), (250, 86640), (285, 76000), (300, 72200), (304, 71250), (361, 60000), (375, 57760), (380, 57000), (400, 54150), (456, 47500), (475, 45600), (480, 45125), (500, 43320), (570, 38000), (600, 36100), (608, 35625), (625, 34656), (722, 30000), (750, 28880), (760, 28500), (800, 27075), (912, 23750), (950, 22800), (1000, 21660), (1083, 20000), (1140, 19000), (1200, 18050), (1250, 17328), (1425, 15200), (1444, 15000), (1500, 14440), (1520, 14250), (1805, 12000), (1824, 11875), (1875, 11552), (1900, 11400), (2000, 10830), (2166, 10000), (2280, 9500), (2375, 9120), (2400, 9025), (2500, 8664), (2850, 7600), (2888, 7500), (3000, 7220), (3040, 7125), (3610, 6000), (3750, 5776), (3800, 5700), (4000, 5415), (4332, 5000), (4560, 4750)]