42514640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{79}}^1$

素因数の和:161

約数の個数: 120

約数和(自身を含む): 118206720

約数和(自身を除く): 75692080

約数列:

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

約数ペア:

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