201221880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1$

素因数の和:413

約数の個数: 128

約数和(自身を含む): 620524800

約数和(自身を除く): 419302920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 83, 89, 120, 166, 178, 227, 249, 267, 332, 356, 415, 445, 454, 498, 534, 664, 681, 712, 830, 890, 908, 996, 1068, 1135, 1245, 1335, 1362, 1660, 1780, 1816, 1992, 2136, 2270, 2490, 2670, 2724, 3320, 3405, 3560, 4540, 4980, 5340, 5448, 6810, 7387, 9080, 9960, 10680, 13620, 14774, 18841, 20203, 22161, 27240, 29548, 36935, 37682, 40406, 44322, 56523, 59096, 60609, 73870, 75364, 80812, 88644, 94205, 101015, 110805, 113046, 121218, 147740, 150728, 161624, 177288, 188410, 202030, 221610, 226092, 242436, 282615, 295480, 303045, 376820, 404060, 443220, 452184, 484872, 565230, 606090, 753640, 808120, 886440, 1130460, 1212180, 1676849, 2260920, 2424360, 3353698, 5030547, 6707396, 8384245, 10061094, 13414792, 16768490, 20122188, 25152735, 33536980, 40244376, 50305470, 67073960, 100610940, 201221880]

約数ペア:

[(1, 201221880), (2, 100610940), (3, 67073960), (4, 50305470), (5, 40244376), (6, 33536980), (8, 25152735), (10, 20122188), (12, 16768490), (15, 13414792), (20, 10061094), (24, 8384245), (30, 6707396), (40, 5030547), (60, 3353698), (83, 2424360), (89, 2260920), (120, 1676849), (166, 1212180), (178, 1130460), (227, 886440), (249, 808120), (267, 753640), (332, 606090), (356, 565230), (415, 484872), (445, 452184), (454, 443220), (498, 404060), (534, 376820), (664, 303045), (681, 295480), (712, 282615), (830, 242436), (890, 226092), (908, 221610), (996, 202030), (1068, 188410), (1135, 177288), (1245, 161624), (1335, 150728), (1362, 147740), (1660, 121218), (1780, 113046), (1816, 110805), (1992, 101015), (2136, 94205), (2270, 88644), (2490, 80812), (2670, 75364), (2724, 73870), (3320, 60609), (3405, 59096), (3560, 56523), (4540, 44322), (4980, 40406), (5340, 37682), (5448, 36935), (6810, 29548), (7387, 27240), (9080, 22161), (9960, 20203), (10680, 18841), (13620, 14774)]