400038480

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{1109}}^1$

素因数の和:1298

約数の個数: 160

約数和(自身を含む): 1387411200

約数和(自身を除く): 987372720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 167, 180, 216, 240, 270, 334, 360, 432, 501, 540, 668, 720, 835, 1002, 1080, 1109, 1336, 1503, 1670, 2004, 2160, 2218, 2505, 2672, 3006, 3327, 3340, 4008, 4436, 4509, 5010, 5545, 6012, 6654, 6680, 7515, 8016, 8872, 9018, 9981, 10020, 11090, 12024, 13308, 13360, 15030, 16635, 17744, 18036, 19962, 20040, 22180, 22545, 24048, 26616, 29943, 30060, 33270, 36072, 39924, 40080, 44360, 45090, 49905, 53232, 59886, 60120, 66540, 72144, 79848, 88720, 90180, 99810, 119772, 120240, 133080, 149715, 159696, 180360, 185203, 199620, 239544, 266160, 299430, 360720, 370406, 399240, 479088, 555609, 598860, 740812, 798480, 926015, 1111218, 1197720, 1481624, 1666827, 1852030, 2222436, 2395440, 2778045, 2963248, 3333654, 3704060, 4444872, 5000481, 5556090, 6667308, 7408120, 8334135, 8889744, 10000962, 11112180, 13334616, 14816240, 16668270, 20001924, 22224360, 25002405, 26669232, 33336540, 40003848, 44448720, 50004810, 66673080, 80007696, 100009620, 133346160, 200019240, 400038480]

約数ペア:

[(1, 400038480), (2, 200019240), (3, 133346160), (4, 100009620), (5, 80007696), (6, 66673080), (8, 50004810), (9, 44448720), (10, 40003848), (12, 33336540), (15, 26669232), (16, 25002405), (18, 22224360), (20, 20001924), (24, 16668270), (27, 14816240), (30, 13334616), (36, 11112180), (40, 10000962), (45, 8889744), (48, 8334135), (54, 7408120), (60, 6667308), (72, 5556090), (80, 5000481), (90, 4444872), (108, 3704060), (120, 3333654), (135, 2963248), (144, 2778045), (167, 2395440), (180, 2222436), (216, 1852030), (240, 1666827), (270, 1481624), (334, 1197720), (360, 1111218), (432, 926015), (501, 798480), (540, 740812), (668, 598860), (720, 555609), (835, 479088), (1002, 399240), (1080, 370406), (1109, 360720), (1336, 299430), (1503, 266160), (1670, 239544), (2004, 199620), (2160, 185203), (2218, 180360), (2505, 159696), (2672, 149715), (3006, 133080), (3327, 120240), (3340, 119772), (4008, 99810), (4436, 90180), (4509, 88720), (5010, 79848), (5545, 72144), (6012, 66540), (6654, 60120), (6680, 59886), (7515, 53232), (8016, 49905), (8872, 45090), (9018, 44360), (9981, 40080), (10020, 39924), (11090, 36072), (12024, 33270), (13308, 30060), (13360, 29943), (15030, 26616), (16635, 24048), (17744, 22545), (18036, 22180), (19962, 20040)]