221221800

素因数分解:

$2^3\times 3^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{577}}^1$

素因数の和:673

約数の個数: 192

約数和(自身を含む): 774057600

約数和(自身を除く): 552835800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 27, 30, 36, 40, 45, 50, 54, 60, 71, 72, 75, 90, 100, 108, 120, 135, 142, 150, 180, 200, 213, 216, 225, 270, 284, 300, 355, 360, 426, 450, 540, 568, 577, 600, 639, 675, 710, 852, 900, 1065, 1080, 1154, 1278, 1350, 1420, 1704, 1731, 1775, 1800, 1917, 2130, 2308, 2556, 2700, 2840, 2885, 3195, 3462, 3550, 3834, 4260, 4616, 5112, 5193, 5325, 5400, 5770, 6390, 6924, 7100, 7668, 8520, 8655, 9585, 10386, 10650, 11540, 12780, 13848, 14200, 14425, 15336, 15579, 15975, 17310, 19170, 20772, 21300, 23080, 25560, 25965, 28850, 31158, 31950, 34620, 38340, 40967, 41544, 42600, 43275, 47925, 51930, 57700, 62316, 63900, 69240, 76680, 77895, 81934, 86550, 95850, 103860, 115400, 122901, 124632, 127800, 129825, 155790, 163868, 173100, 191700, 204835, 207720, 245802, 259650, 311580, 327736, 346200, 368703, 383400, 389475, 409670, 491604, 519300, 614505, 623160, 737406, 778950, 819340, 983208, 1024175, 1038600, 1106109, 1229010, 1474812, 1557900, 1638680, 1843515, 2048350, 2212218, 2458020, 2949624, 3072525, 3115800, 3687030, 4096700, 4424436, 4916040, 5530545, 6145050, 7374060, 8193400, 8848872, 9217575, 11061090, 12290100, 14748120, 18435150, 22122180, 24580200, 27652725, 36870300, 44244360, 55305450, 73740600, 110610900, 221221800]

約数ペア:

[(1, 221221800), (2, 110610900), (3, 73740600), (4, 55305450), (5, 44244360), (6, 36870300), (8, 27652725), (9, 24580200), (10, 22122180), (12, 18435150), (15, 14748120), (18, 12290100), (20, 11061090), (24, 9217575), (25, 8848872), (27, 8193400), (30, 7374060), (36, 6145050), (40, 5530545), (45, 4916040), (50, 4424436), (54, 4096700), (60, 3687030), (71, 3115800), (72, 3072525), (75, 2949624), (90, 2458020), (100, 2212218), (108, 2048350), (120, 1843515), (135, 1638680), (142, 1557900), (150, 1474812), (180, 1229010), (200, 1106109), (213, 1038600), (216, 1024175), (225, 983208), (270, 819340), (284, 778950), (300, 737406), (355, 623160), (360, 614505), (426, 519300), (450, 491604), (540, 409670), (568, 389475), (577, 383400), (600, 368703), (639, 346200), (675, 327736), (710, 311580), (852, 259650), (900, 245802), (1065, 207720), (1080, 204835), (1154, 191700), (1278, 173100), (1350, 163868), (1420, 155790), (1704, 129825), (1731, 127800), (1775, 124632), (1800, 122901), (1917, 115400), (2130, 103860), (2308, 95850), (2556, 86550), (2700, 81934), (2840, 77895), (2885, 76680), (3195, 69240), (3462, 63900), (3550, 62316), (3834, 57700), (4260, 51930), (4616, 47925), (5112, 43275), (5193, 42600), (5325, 41544), (5400, 40967), (5770, 38340), (6390, 34620), (6924, 31950), (7100, 31158), (7668, 28850), (8520, 25965), (8655, 25560), (9585, 23080), (10386, 21300), (10650, 20772), (11540, 19170), (12780, 17310), (13848, 15975), (14200, 15579), (14425, 15336)]