81041100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:217

約数の個数: 216

約数和(自身を含む): 282013200

約数和(自身を除く): 200972100

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 37, 42, 49, 50, 60, 70, 74, 75, 84, 98, 100, 105, 111, 140, 147, 148, 149, 150, 175, 185, 196, 210, 222, 245, 259, 294, 298, 300, 350, 370, 420, 444, 447, 490, 518, 525, 555, 588, 596, 700, 735, 740, 745, 777, 894, 925, 980, 1036, 1043, 1050, 1110, 1225, 1295, 1470, 1490, 1554, 1788, 1813, 1850, 2086, 2100, 2220, 2235, 2450, 2590, 2775, 2940, 2980, 3108, 3129, 3626, 3675, 3700, 3725, 3885, 4172, 4470, 4900, 5180, 5215, 5439, 5513, 5550, 6258, 6475, 7252, 7301, 7350, 7450, 7770, 8940, 9065, 10430, 10878, 11026, 11100, 11175, 12516, 12950, 14602, 14700, 14900, 15540, 15645, 16539, 18130, 19425, 20860, 21756, 21903, 22052, 22350, 25900, 26075, 27195, 27565, 29204, 31290, 33078, 36260, 36505, 38591, 38850, 43806, 44700, 45325, 52150, 54390, 55130, 62580, 66156, 73010, 77182, 77700, 78225, 82695, 87612, 90650, 104300, 108780, 109515, 110260, 115773, 135975, 137825, 146020, 154364, 156450, 165390, 181300, 182525, 192955, 219030, 231546, 270137, 271950, 275650, 312900, 330780, 365050, 385910, 413475, 438060, 463092, 540274, 543900, 547575, 551300, 578865, 730100, 771820, 810411, 826950, 964775, 1080548, 1095150, 1157730, 1350685, 1620822, 1653900, 1929550, 2190300, 2315460, 2701370, 2894325, 3241644, 3859100, 4052055, 5402740, 5788650, 6753425, 8104110, 11577300, 13506850, 16208220, 20260275, 27013700, 40520550, 81041100]

約数ペア:

[(1, 81041100), (2, 40520550), (3, 27013700), (4, 20260275), (5, 16208220), (6, 13506850), (7, 11577300), (10, 8104110), (12, 6753425), (14, 5788650), (15, 5402740), (20, 4052055), (21, 3859100), (25, 3241644), (28, 2894325), (30, 2701370), (35, 2315460), (37, 2190300), (42, 1929550), (49, 1653900), (50, 1620822), (60, 1350685), (70, 1157730), (74, 1095150), (75, 1080548), (84, 964775), (98, 826950), (100, 810411), (105, 771820), (111, 730100), (140, 578865), (147, 551300), (148, 547575), (149, 543900), (150, 540274), (175, 463092), (185, 438060), (196, 413475), (210, 385910), (222, 365050), (245, 330780), (259, 312900), (294, 275650), (298, 271950), (300, 270137), (350, 231546), (370, 219030), (420, 192955), (444, 182525), (447, 181300), (490, 165390), (518, 156450), (525, 154364), (555, 146020), (588, 137825), (596, 135975), (700, 115773), (735, 110260), (740, 109515), (745, 108780), (777, 104300), (894, 90650), (925, 87612), (980, 82695), (1036, 78225), (1043, 77700), (1050, 77182), (1110, 73010), (1225, 66156), (1295, 62580), (1470, 55130), (1490, 54390), (1554, 52150), (1788, 45325), (1813, 44700), (1850, 43806), (2086, 38850), (2100, 38591), (2220, 36505), (2235, 36260), (2450, 33078), (2590, 31290), (2775, 29204), (2940, 27565), (2980, 27195), (3108, 26075), (3129, 25900), (3626, 22350), (3675, 22052), (3700, 21903), (3725, 21756), (3885, 20860), (4172, 19425), (4470, 18130), (4900, 16539), (5180, 15645), (5215, 15540), (5439, 14900), (5513, 14700), (5550, 14602), (6258, 12950), (6475, 12516), (7252, 11175), (7301, 11100), (7350, 11026), (7450, 10878), (7770, 10430), (8940, 9065)]