85029280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{79}}^1$

素因数の和:163

約数の個数: 144

約数和(自身を含む): 240226560

約数和(自身を除く): 155197280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 70, 79, 80, 112, 124, 140, 155, 158, 160, 217, 224, 248, 280, 310, 316, 395, 434, 496, 553, 560, 620, 632, 790, 868, 961, 992, 1085, 1106, 1120, 1240, 1264, 1580, 1736, 1922, 2170, 2212, 2449, 2480, 2528, 2765, 3160, 3472, 3844, 4340, 4424, 4805, 4898, 4960, 5530, 6320, 6727, 6944, 7688, 8680, 8848, 9610, 9796, 11060, 12245, 12640, 13454, 15376, 17143, 17360, 17696, 19220, 19592, 22120, 24490, 26908, 30752, 33635, 34286, 34720, 38440, 39184, 44240, 48980, 53816, 67270, 68572, 75919, 76880, 78368, 85715, 88480, 97960, 107632, 134540, 137144, 151838, 153760, 171430, 195920, 215264, 269080, 274288, 303676, 342860, 379595, 391840, 531433, 538160, 548576, 607352, 685720, 759190, 1062866, 1076320, 1214704, 1371440, 1518380, 2125732, 2429408, 2657165, 2742880, 3036760, 4251464, 5314330, 6073520, 8502928, 10628660, 12147040, 17005856, 21257320, 42514640, 85029280]

約数ペア:

[(1, 85029280), (2, 42514640), (4, 21257320), (5, 17005856), (7, 12147040), (8, 10628660), (10, 8502928), (14, 6073520), (16, 5314330), (20, 4251464), (28, 3036760), (31, 2742880), (32, 2657165), (35, 2429408), (40, 2125732), (56, 1518380), (62, 1371440), (70, 1214704), (79, 1076320), (80, 1062866), (112, 759190), (124, 685720), (140, 607352), (155, 548576), (158, 538160), (160, 531433), (217, 391840), (224, 379595), (248, 342860), (280, 303676), (310, 274288), (316, 269080), (395, 215264), (434, 195920), (496, 171430), (553, 153760), (560, 151838), (620, 137144), (632, 134540), (790, 107632), (868, 97960), (961, 88480), (992, 85715), (1085, 78368), (1106, 76880), (1120, 75919), (1240, 68572), (1264, 67270), (1580, 53816), (1736, 48980), (1922, 44240), (2170, 39184), (2212, 38440), (2449, 34720), (2480, 34286), (2528, 33635), (2765, 30752), (3160, 26908), (3472, 24490), (3844, 22120), (4340, 19592), (4424, 19220), (4805, 17696), (4898, 17360), (4960, 17143), (5530, 15376), (6320, 13454), (6727, 12640), (6944, 12245), (7688, 11060), (8680, 9796), (8848, 9610)]