83657840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:191

約数の個数: 160

約数和(自身を含む): 236175360

約数和(自身を除く): 152517520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 61, 62, 70, 79, 80, 112, 122, 124, 140, 155, 158, 217, 244, 248, 280, 305, 310, 316, 395, 427, 434, 488, 496, 553, 560, 610, 620, 632, 790, 854, 868, 976, 1085, 1106, 1220, 1240, 1264, 1580, 1708, 1736, 1891, 2135, 2170, 2212, 2440, 2449, 2480, 2765, 3160, 3416, 3472, 3782, 4270, 4340, 4424, 4819, 4880, 4898, 5530, 6320, 6832, 7564, 8540, 8680, 8848, 9455, 9638, 9796, 11060, 12245, 13237, 15128, 17080, 17143, 17360, 18910, 19276, 19592, 22120, 24095, 24490, 26474, 30256, 33733, 34160, 34286, 37820, 38552, 39184, 44240, 48190, 48980, 52948, 66185, 67466, 68572, 75640, 77104, 85715, 96380, 97960, 105896, 132370, 134932, 137144, 149389, 151280, 168665, 171430, 192760, 195920, 211792, 264740, 269864, 274288, 298778, 337330, 342860, 385520, 529480, 539728, 597556, 674660, 685720, 746945, 1045723, 1058960, 1195112, 1349320, 1371440, 1493890, 2091446, 2390224, 2698640, 2987780, 4182892, 5228615, 5975560, 8365784, 10457230, 11951120, 16731568, 20914460, 41828920, 83657840]

約数ペア:

[(1, 83657840), (2, 41828920), (4, 20914460), (5, 16731568), (7, 11951120), (8, 10457230), (10, 8365784), (14, 5975560), (16, 5228615), (20, 4182892), (28, 2987780), (31, 2698640), (35, 2390224), (40, 2091446), (56, 1493890), (61, 1371440), (62, 1349320), (70, 1195112), (79, 1058960), (80, 1045723), (112, 746945), (122, 685720), (124, 674660), (140, 597556), (155, 539728), (158, 529480), (217, 385520), (244, 342860), (248, 337330), (280, 298778), (305, 274288), (310, 269864), (316, 264740), (395, 211792), (427, 195920), (434, 192760), (488, 171430), (496, 168665), (553, 151280), (560, 149389), (610, 137144), (620, 134932), (632, 132370), (790, 105896), (854, 97960), (868, 96380), (976, 85715), (1085, 77104), (1106, 75640), (1220, 68572), (1240, 67466), (1264, 66185), (1580, 52948), (1708, 48980), (1736, 48190), (1891, 44240), (2135, 39184), (2170, 38552), (2212, 37820), (2440, 34286), (2449, 34160), (2480, 33733), (2765, 30256), (3160, 26474), (3416, 24490), (3472, 24095), (3782, 22120), (4270, 19592), (4340, 19276), (4424, 18910), (4819, 17360), (4880, 17143), (4898, 17080), (5530, 15128), (6320, 13237), (6832, 12245), (7564, 11060), (8540, 9796), (8680, 9638), (8848, 9455)]