31999440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:98

約数の個数: 320

約数和(自身を含む): 123420672

約数和(自身を除く): 91421232

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 17, 20, 22, 23, 24, 30, 31, 33, 34, 40, 44, 46, 48, 51, 55, 60, 62, 66, 68, 69, 80, 85, 88, 92, 93, 102, 110, 115, 120, 124, 132, 136, 138, 155, 165, 170, 176, 184, 186, 187, 204, 220, 230, 240, 248, 253, 255, 264, 272, 276, 310, 330, 340, 341, 345, 368, 372, 374, 391, 408, 440, 460, 465, 496, 506, 510, 527, 528, 552, 561, 620, 660, 680, 682, 690, 713, 744, 748, 759, 782, 816, 880, 920, 930, 935, 1012, 1020, 1023, 1054, 1104, 1122, 1173, 1240, 1265, 1320, 1360, 1364, 1380, 1426, 1488, 1496, 1518, 1564, 1581, 1705, 1840, 1860, 1870, 1955, 2024, 2040, 2046, 2108, 2139, 2244, 2346, 2480, 2530, 2635, 2640, 2728, 2760, 2805, 2852, 2992, 3036, 3128, 3162, 3410, 3565, 3720, 3740, 3795, 3910, 4048, 4080, 4092, 4216, 4278, 4301, 4488, 4692, 5060, 5115, 5270, 5456, 5520, 5610, 5704, 5797, 5865, 6072, 6256, 6324, 6820, 7130, 7440, 7480, 7590, 7820, 7843, 7905, 8184, 8432, 8556, 8602, 8976, 9384, 10120, 10230, 10540, 10695, 11220, 11408, 11594, 11730, 12121, 12144, 12648, 12903, 13640, 14260, 14960, 15180, 15640, 15686, 15810, 16368, 17112, 17204, 17391, 18768, 20240, 20460, 21080, 21390, 21505, 22440, 23188, 23460, 23529, 24242, 25296, 25806, 27280, 28520, 28985, 30360, 31280, 31372, 31620, 34224, 34408, 34782, 36363, 39215, 40920, 42160, 42780, 43010, 44880, 46376, 46920, 47058, 48484, 51612, 57040, 57970, 60605, 60720, 62744, 63240, 64515, 68816, 69564, 72726, 78430, 81840, 85560, 86020, 86955, 92752, 93840, 94116, 96968, 103224, 115940, 117645, 121210, 125488, 126480, 129030, 133331, 139128, 145452, 156860, 171120, 172040, 173910, 181815, 188232, 193936, 206448, 231880, 235290, 242420, 258060, 266662, 278256, 290904, 313720, 344080, 347820, 363630, 376464, 399993, 463760, 470580, 484840, 516120, 533324, 581808, 627440, 666655, 695640, 727260, 799986, 941160, 969680, 1032240, 1066648, 1333310, 1391280, 1454520, 1599972, 1882320, 1999965, 2133296, 2666620, 2909040, 3199944, 3999930, 5333240, 6399888, 7999860, 10666480, 15999720, 31999440]

約数ペア:

[(1, 31999440), (2, 15999720), (3, 10666480), (4, 7999860), (5, 6399888), (6, 5333240), (8, 3999930), (10, 3199944), (11, 2909040), (12, 2666620), (15, 2133296), (16, 1999965), (17, 1882320), (20, 1599972), (22, 1454520), (23, 1391280), (24, 1333310), (30, 1066648), (31, 1032240), (33, 969680), (34, 941160), (40, 799986), (44, 727260), (46, 695640), (48, 666655), (51, 627440), (55, 581808), (60, 533324), (62, 516120), (66, 484840), (68, 470580), (69, 463760), (80, 399993), (85, 376464), (88, 363630), (92, 347820), (93, 344080), (102, 313720), (110, 290904), (115, 278256), (120, 266662), (124, 258060), (132, 242420), (136, 235290), (138, 231880), (155, 206448), (165, 193936), (170, 188232), (176, 181815), (184, 173910), (186, 172040), (187, 171120), (204, 156860), (220, 145452), (230, 139128), (240, 133331), (248, 129030), (253, 126480), (255, 125488), (264, 121210), (272, 117645), (276, 115940), (310, 103224), (330, 96968), (340, 94116), (341, 93840), (345, 92752), (368, 86955), (372, 86020), (374, 85560), (391, 81840), (408, 78430), (440, 72726), (460, 69564), (465, 68816), (496, 64515), (506, 63240), (510, 62744), (527, 60720), (528, 60605), (552, 57970), (561, 57040), (620, 51612), (660, 48484), (680, 47058), (682, 46920), (690, 46376), (713, 44880), (744, 43010), (748, 42780), (759, 42160), (782, 40920), (816, 39215), (880, 36363), (920, 34782), (930, 34408), (935, 34224), (1012, 31620), (1020, 31372), (1023, 31280), (1054, 30360), (1104, 28985), (1122, 28520), (1173, 27280), (1240, 25806), (1265, 25296), (1320, 24242), (1360, 23529), (1364, 23460), (1380, 23188), (1426, 22440), (1488, 21505), (1496, 21390), (1518, 21080), (1564, 20460), (1581, 20240), (1705, 18768), (1840, 17391), (1860, 17204), (1870, 17112), (1955, 16368), (2024, 15810), (2040, 15686), (2046, 15640), (2108, 15180), (2139, 14960), (2244, 14260), (2346, 13640), (2480, 12903), (2530, 12648), (2635, 12144), (2640, 12121), (2728, 11730), (2760, 11594), (2805, 11408), (2852, 11220), (2992, 10695), (3036, 10540), (3128, 10230), (3162, 10120), (3410, 9384), (3565, 8976), (3720, 8602), (3740, 8556), (3795, 8432), (3910, 8184), (4048, 7905), (4080, 7843), (4092, 7820), (4216, 7590), (4278, 7480), (4301, 7440), (4488, 7130), (4692, 6820), (5060, 6324), (5115, 6256), (5270, 6072), (5456, 5865), (5520, 5797), (5610, 5704)]