19927200

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{19}}^2\times {\mathrm{23}}^1$

素因数の和:84

約数の個数: 216

約数和(自身を含む): 71432928

約数和(自身を除く): 51505728

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 23, 24, 25, 30, 32, 38, 40, 46, 48, 50, 57, 60, 69, 75, 76, 80, 92, 95, 96, 100, 114, 115, 120, 138, 150, 152, 160, 184, 190, 200, 228, 230, 240, 276, 285, 300, 304, 345, 361, 368, 380, 400, 437, 456, 460, 475, 480, 552, 570, 575, 600, 608, 690, 722, 736, 760, 800, 874, 912, 920, 950, 1083, 1104, 1140, 1150, 1200, 1311, 1380, 1425, 1444, 1520, 1725, 1748, 1805, 1824, 1840, 1900, 2166, 2185, 2208, 2280, 2300, 2400, 2622, 2760, 2850, 2888, 3040, 3450, 3496, 3610, 3680, 3800, 4332, 4370, 4560, 4600, 5244, 5415, 5520, 5700, 5776, 6555, 6900, 6992, 7220, 7600, 8303, 8664, 8740, 9025, 9120, 9200, 10488, 10830, 10925, 11040, 11400, 11552, 13110, 13800, 13984, 14440, 15200, 16606, 17328, 17480, 18050, 18400, 20976, 21660, 21850, 22800, 24909, 26220, 27075, 27600, 28880, 32775, 33212, 34656, 34960, 36100, 41515, 41952, 43320, 43700, 45600, 49818, 52440, 54150, 55200, 57760, 65550, 66424, 69920, 72200, 83030, 86640, 87400, 99636, 104880, 108300, 124545, 131100, 132848, 144400, 166060, 173280, 174800, 199272, 207575, 209760, 216600, 249090, 262200, 265696, 288800, 332120, 349600, 398544, 415150, 433200, 498180, 524400, 622725, 664240, 797088, 830300, 866400, 996360, 1048800, 1245450, 1328480, 1660600, 1992720, 2490900, 3321200, 3985440, 4981800, 6642400, 9963600, 19927200]

約数ペア:

[(1, 19927200), (2, 9963600), (3, 6642400), (4, 4981800), (5, 3985440), (6, 3321200), (8, 2490900), (10, 1992720), (12, 1660600), (15, 1328480), (16, 1245450), (19, 1048800), (20, 996360), (23, 866400), (24, 830300), (25, 797088), (30, 664240), (32, 622725), (38, 524400), (40, 498180), (46, 433200), (48, 415150), (50, 398544), (57, 349600), (60, 332120), (69, 288800), (75, 265696), (76, 262200), (80, 249090), (92, 216600), (95, 209760), (96, 207575), (100, 199272), (114, 174800), (115, 173280), (120, 166060), (138, 144400), (150, 132848), (152, 131100), (160, 124545), (184, 108300), (190, 104880), (200, 99636), (228, 87400), (230, 86640), (240, 83030), (276, 72200), (285, 69920), (300, 66424), (304, 65550), (345, 57760), (361, 55200), (368, 54150), (380, 52440), (400, 49818), (437, 45600), (456, 43700), (460, 43320), (475, 41952), (480, 41515), (552, 36100), (570, 34960), (575, 34656), (600, 33212), (608, 32775), (690, 28880), (722, 27600), (736, 27075), (760, 26220), (800, 24909), (874, 22800), (912, 21850), (920, 21660), (950, 20976), (1083, 18400), (1104, 18050), (1140, 17480), (1150, 17328), (1200, 16606), (1311, 15200), (1380, 14440), (1425, 13984), (1444, 13800), (1520, 13110), (1725, 11552), (1748, 11400), (1805, 11040), (1824, 10925), (1840, 10830), (1900, 10488), (2166, 9200), (2185, 9120), (2208, 9025), (2280, 8740), (2300, 8664), (2400, 8303), (2622, 7600), (2760, 7220), (2850, 6992), (2888, 6900), (3040, 6555), (3450, 5776), (3496, 5700), (3610, 5520), (3680, 5415), (3800, 5244), (4332, 4600), (4370, 4560)]