1445778720

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{281}}^1\times {\mathrm{397}}^1$

素因数の和:705

約数の個数: 240

約数和(自身を含む): 5133450168

約数和(自身を除く): 3687671448

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 270, 281, 288, 324, 360, 397, 405, 432, 480, 540, 562, 648, 720, 794, 810, 843, 864, 1080, 1124, 1191, 1296, 1405, 1440, 1588, 1620, 1686, 1985, 2160, 2248, 2382, 2529, 2592, 2810, 3176, 3240, 3372, 3573, 3970, 4215, 4320, 4496, 4764, 5058, 5620, 5955, 6352, 6480, 6744, 7146, 7587, 7940, 8430, 8992, 9528, 10116, 10719, 11240, 11910, 12645, 12704, 12960, 13488, 14292, 15174, 15880, 16860, 17865, 19056, 20232, 21438, 22480, 22761, 23820, 25290, 26976, 28584, 30348, 31760, 32157, 33720, 35730, 37935, 38112, 40464, 42876, 44960, 45522, 47640, 50580, 53595, 57168, 60696, 63520, 64314, 67440, 71460, 75870, 80928, 85752, 91044, 95280, 101160, 107190, 111557, 113805, 114336, 121392, 128628, 134880, 142920, 151740, 160785, 171504, 182088, 190560, 202320, 214380, 223114, 227610, 242784, 257256, 285840, 303480, 321570, 334671, 343008, 364176, 404640, 428760, 446228, 455220, 514512, 557785, 571680, 606960, 643140, 669342, 728352, 857520, 892456, 910440, 1004013, 1029024, 1115570, 1213920, 1286280, 1338684, 1673355, 1715040, 1784912, 1820880, 2008026, 2231140, 2572560, 2677368, 3012039, 3346710, 3569824, 3641760, 4016052, 4462280, 5020065, 5145120, 5354736, 6024078, 6693420, 8032104, 8924560, 9036117, 10040130, 10709472, 12048156, 13386840, 15060195, 16064208, 17849120, 18072234, 20080260, 24096312, 26773680, 30120390, 32128416, 36144468, 40160520, 45180585, 48192624, 53547360, 60240780, 72288936, 80321040, 90361170, 96385248, 120481560, 144577872, 160642080, 180722340, 240963120, 289155744, 361444680, 481926240, 722889360, 1445778720]

約数ペア:

[(1, 1445778720), (2, 722889360), (3, 481926240), (4, 361444680), (5, 289155744), (6, 240963120), (8, 180722340), (9, 160642080), (10, 144577872), (12, 120481560), (15, 96385248), (16, 90361170), (18, 80321040), (20, 72288936), (24, 60240780), (27, 53547360), (30, 48192624), (32, 45180585), (36, 40160520), (40, 36144468), (45, 32128416), (48, 30120390), (54, 26773680), (60, 24096312), (72, 20080260), (80, 18072234), (81, 17849120), (90, 16064208), (96, 15060195), (108, 13386840), (120, 12048156), (135, 10709472), (144, 10040130), (160, 9036117), (162, 8924560), (180, 8032104), (216, 6693420), (240, 6024078), (270, 5354736), (281, 5145120), (288, 5020065), (324, 4462280), (360, 4016052), (397, 3641760), (405, 3569824), (432, 3346710), (480, 3012039), (540, 2677368), (562, 2572560), (648, 2231140), (720, 2008026), (794, 1820880), (810, 1784912), (843, 1715040), (864, 1673355), (1080, 1338684), (1124, 1286280), (1191, 1213920), (1296, 1115570), (1405, 1029024), (1440, 1004013), (1588, 910440), (1620, 892456), (1686, 857520), (1985, 728352), (2160, 669342), (2248, 643140), (2382, 606960), (2529, 571680), (2592, 557785), (2810, 514512), (3176, 455220), (3240, 446228), (3372, 428760), (3573, 404640), (3970, 364176), (4215, 343008), (4320, 334671), (4496, 321570), (4764, 303480), (5058, 285840), (5620, 257256), (5955, 242784), (6352, 227610), (6480, 223114), (6744, 214380), (7146, 202320), (7587, 190560), (7940, 182088), (8430, 171504), (8992, 160785), (9528, 151740), (10116, 142920), (10719, 134880), (11240, 128628), (11910, 121392), (12645, 114336), (12704, 113805), (12960, 111557), (13488, 107190), (14292, 101160), (15174, 95280), (15880, 91044), (16860, 85752), (17865, 80928), (19056, 75870), (20232, 71460), (21438, 67440), (22480, 64314), (22761, 63520), (23820, 60696), (25290, 57168), (26976, 53595), (28584, 50580), (30348, 47640), (31760, 45522), (32157, 44960), (33720, 42876), (35730, 40464), (37935, 38112)]