721213440

素因数分解:

$2^{11}\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1381}}^1$

素因数の和:1428

約数の個数: 192

約数和(自身を含む): 2444813280

約数和(自身を除く): 1723599840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 128, 136, 160, 170, 192, 204, 240, 255, 256, 272, 320, 340, 384, 408, 480, 510, 512, 544, 640, 680, 768, 816, 960, 1020, 1024, 1088, 1280, 1360, 1381, 1536, 1632, 1920, 2040, 2048, 2176, 2560, 2720, 2762, 3072, 3264, 3840, 4080, 4143, 4352, 5120, 5440, 5524, 6144, 6528, 6905, 7680, 8160, 8286, 8704, 10240, 10880, 11048, 13056, 13810, 15360, 16320, 16572, 17408, 20715, 21760, 22096, 23477, 26112, 27620, 30720, 32640, 33144, 34816, 41430, 43520, 44192, 46954, 52224, 55240, 65280, 66288, 70431, 82860, 87040, 88384, 93908, 104448, 110480, 117385, 130560, 132576, 140862, 165720, 174080, 176768, 187816, 220960, 234770, 261120, 265152, 281724, 331440, 352155, 353536, 375632, 441920, 469540, 522240, 530304, 563448, 662880, 704310, 707072, 751264, 883840, 939080, 1060608, 1126896, 1325760, 1408620, 1414144, 1502528, 1767680, 1878160, 2121216, 2253792, 2651520, 2817240, 2828288, 3005056, 3535360, 3756320, 4242432, 4507584, 5303040, 5634480, 6010112, 7070720, 7512640, 8484864, 9015168, 10606080, 11268960, 12020224, 14141440, 15025280, 18030336, 21212160, 22537920, 24040448, 30050560, 36060672, 42424320, 45075840, 48080896, 60101120, 72121344, 90151680, 120202240, 144242688, 180303360, 240404480, 360606720, 721213440]

約数ペア:

[(1, 721213440), (2, 360606720), (3, 240404480), (4, 180303360), (5, 144242688), (6, 120202240), (8, 90151680), (10, 72121344), (12, 60101120), (15, 48080896), (16, 45075840), (17, 42424320), (20, 36060672), (24, 30050560), (30, 24040448), (32, 22537920), (34, 21212160), (40, 18030336), (48, 15025280), (51, 14141440), (60, 12020224), (64, 11268960), (68, 10606080), (80, 9015168), (85, 8484864), (96, 7512640), (102, 7070720), (120, 6010112), (128, 5634480), (136, 5303040), (160, 4507584), (170, 4242432), (192, 3756320), (204, 3535360), (240, 3005056), (255, 2828288), (256, 2817240), (272, 2651520), (320, 2253792), (340, 2121216), (384, 1878160), (408, 1767680), (480, 1502528), (510, 1414144), (512, 1408620), (544, 1325760), (640, 1126896), (680, 1060608), (768, 939080), (816, 883840), (960, 751264), (1020, 707072), (1024, 704310), (1088, 662880), (1280, 563448), (1360, 530304), (1381, 522240), (1536, 469540), (1632, 441920), (1920, 375632), (2040, 353536), (2048, 352155), (2176, 331440), (2560, 281724), (2720, 265152), (2762, 261120), (3072, 234770), (3264, 220960), (3840, 187816), (4080, 176768), (4143, 174080), (4352, 165720), (5120, 140862), (5440, 132576), (5524, 130560), (6144, 117385), (6528, 110480), (6905, 104448), (7680, 93908), (8160, 88384), (8286, 87040), (8704, 82860), (10240, 70431), (10880, 66288), (11048, 65280), (13056, 55240), (13810, 52224), (15360, 46954), (16320, 44192), (16572, 43520), (17408, 41430), (20715, 34816), (21760, 33144), (22096, 32640), (23477, 30720), (26112, 27620)]