80467660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{179}}^1$

素因数の和:240

約数の個数: 144

約数和(自身を含む): 221356800

約数和(自身を除く): 140889140

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 52, 65, 70, 76, 91, 95, 130, 133, 140, 169, 179, 182, 190, 247, 260, 266, 338, 358, 364, 380, 455, 494, 532, 665, 676, 716, 845, 895, 910, 988, 1183, 1235, 1253, 1330, 1690, 1729, 1790, 1820, 2327, 2366, 2470, 2506, 2660, 3211, 3380, 3401, 3458, 3580, 4654, 4732, 4940, 5012, 5915, 6265, 6422, 6802, 6916, 8645, 9308, 11635, 11830, 12530, 12844, 13604, 16055, 16289, 17005, 17290, 22477, 23270, 23660, 23807, 25060, 30251, 32110, 32578, 34010, 34580, 44213, 44954, 46540, 47614, 60502, 64220, 65156, 68020, 81445, 88426, 89908, 95228, 112385, 119035, 121004, 151255, 162890, 176852, 211757, 221065, 224770, 238070, 302510, 309491, 325780, 423514, 442130, 449540, 476140, 574769, 605020, 618982, 847028, 884260, 1058785, 1149538, 1237964, 1547455, 2117570, 2299076, 2873845, 3094910, 4023383, 4235140, 5747690, 6189820, 8046766, 11495380, 16093532, 20116915, 40233830, 80467660]

約数ペア:

[(1, 80467660), (2, 40233830), (4, 20116915), (5, 16093532), (7, 11495380), (10, 8046766), (13, 6189820), (14, 5747690), (19, 4235140), (20, 4023383), (26, 3094910), (28, 2873845), (35, 2299076), (38, 2117570), (52, 1547455), (65, 1237964), (70, 1149538), (76, 1058785), (91, 884260), (95, 847028), (130, 618982), (133, 605020), (140, 574769), (169, 476140), (179, 449540), (182, 442130), (190, 423514), (247, 325780), (260, 309491), (266, 302510), (338, 238070), (358, 224770), (364, 221065), (380, 211757), (455, 176852), (494, 162890), (532, 151255), (665, 121004), (676, 119035), (716, 112385), (845, 95228), (895, 89908), (910, 88426), (988, 81445), (1183, 68020), (1235, 65156), (1253, 64220), (1330, 60502), (1690, 47614), (1729, 46540), (1790, 44954), (1820, 44213), (2327, 34580), (2366, 34010), (2470, 32578), (2506, 32110), (2660, 30251), (3211, 25060), (3380, 23807), (3401, 23660), (3458, 23270), (3580, 22477), (4654, 17290), (4732, 17005), (4940, 16289), (5012, 16055), (5915, 13604), (6265, 12844), (6422, 12530), (6802, 11830), (6916, 11635), (8645, 9308)]