31389480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1$

素因数の和:280

約数の個数: 192

約数和(自身を含む): 113218560

約数和(自身を除く): 81829080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 23, 24, 30, 34, 36, 40, 45, 46, 51, 60, 68, 69, 72, 85, 90, 92, 102, 115, 120, 136, 138, 153, 170, 180, 184, 204, 207, 223, 230, 255, 276, 306, 340, 345, 360, 391, 408, 414, 446, 460, 510, 552, 612, 669, 680, 690, 765, 782, 828, 892, 920, 1020, 1035, 1115, 1173, 1224, 1338, 1380, 1530, 1564, 1656, 1784, 1955, 2007, 2040, 2070, 2230, 2346, 2676, 2760, 3060, 3128, 3345, 3519, 3791, 3910, 4014, 4140, 4460, 4692, 5129, 5352, 5865, 6120, 6690, 7038, 7582, 7820, 8028, 8280, 8920, 9384, 10035, 10258, 11373, 11730, 13380, 14076, 15164, 15387, 15640, 16056, 17595, 18955, 20070, 20516, 22746, 23460, 25645, 26760, 28152, 30328, 30774, 34119, 35190, 37910, 40140, 41032, 45492, 46161, 46920, 51290, 56865, 61548, 68238, 70380, 75820, 76935, 80280, 87193, 90984, 92322, 102580, 113730, 123096, 136476, 140760, 151640, 153870, 170595, 174386, 184644, 205160, 227460, 230805, 261579, 272952, 307740, 341190, 348772, 369288, 435965, 454920, 461610, 523158, 615480, 682380, 697544, 784737, 871930, 923220, 1046316, 1307895, 1364760, 1569474, 1743860, 1846440, 2092632, 2615790, 3138948, 3487720, 3923685, 5231580, 6277896, 7847370, 10463160, 15694740, 31389480]

約数ペア:

[(1, 31389480), (2, 15694740), (3, 10463160), (4, 7847370), (5, 6277896), (6, 5231580), (8, 3923685), (9, 3487720), (10, 3138948), (12, 2615790), (15, 2092632), (17, 1846440), (18, 1743860), (20, 1569474), (23, 1364760), (24, 1307895), (30, 1046316), (34, 923220), (36, 871930), (40, 784737), (45, 697544), (46, 682380), (51, 615480), (60, 523158), (68, 461610), (69, 454920), (72, 435965), (85, 369288), (90, 348772), (92, 341190), (102, 307740), (115, 272952), (120, 261579), (136, 230805), (138, 227460), (153, 205160), (170, 184644), (180, 174386), (184, 170595), (204, 153870), (207, 151640), (223, 140760), (230, 136476), (255, 123096), (276, 113730), (306, 102580), (340, 92322), (345, 90984), (360, 87193), (391, 80280), (408, 76935), (414, 75820), (446, 70380), (460, 68238), (510, 61548), (552, 56865), (612, 51290), (669, 46920), (680, 46161), (690, 45492), (765, 41032), (782, 40140), (828, 37910), (892, 35190), (920, 34119), (1020, 30774), (1035, 30328), (1115, 28152), (1173, 26760), (1224, 25645), (1338, 23460), (1380, 22746), (1530, 20516), (1564, 20070), (1656, 18955), (1784, 17595), (1955, 16056), (2007, 15640), (2040, 15387), (2070, 15164), (2230, 14076), (2346, 13380), (2676, 11730), (2760, 11373), (3060, 10258), (3128, 10035), (3345, 9384), (3519, 8920), (3791, 8280), (3910, 8028), (4014, 7820), (4140, 7582), (4460, 7038), (4692, 6690), (5129, 6120), (5352, 5865)]