131700780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{397}}^1$

素因数の和:528

約数の個数: 144

約数和(自身を含む): 425923680

約数和(自身を除く): 294222900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 97, 114, 171, 180, 190, 194, 228, 285, 291, 342, 380, 388, 397, 485, 570, 582, 684, 794, 855, 873, 970, 1140, 1164, 1191, 1455, 1588, 1710, 1746, 1843, 1940, 1985, 2382, 2910, 3420, 3492, 3573, 3686, 3970, 4365, 4764, 5529, 5820, 5955, 7146, 7372, 7543, 7940, 8730, 9215, 11058, 11910, 14292, 15086, 16587, 17460, 17865, 18430, 22116, 22629, 23820, 27645, 30172, 33174, 35730, 36860, 37715, 38509, 45258, 55290, 66348, 67887, 71460, 75430, 77018, 82935, 90516, 110580, 113145, 115527, 135774, 150860, 154036, 165870, 192545, 226290, 231054, 271548, 331740, 339435, 346581, 385090, 452580, 462108, 577635, 678870, 693162, 731671, 770180, 1155270, 1357740, 1386324, 1463342, 1732905, 2195013, 2310540, 2926684, 3465810, 3658355, 4390026, 6585039, 6931620, 7316710, 8780052, 10975065, 13170078, 14633420, 21950130, 26340156, 32925195, 43900260, 65850390, 131700780]

約数ペア:

[(1, 131700780), (2, 65850390), (3, 43900260), (4, 32925195), (5, 26340156), (6, 21950130), (9, 14633420), (10, 13170078), (12, 10975065), (15, 8780052), (18, 7316710), (19, 6931620), (20, 6585039), (30, 4390026), (36, 3658355), (38, 3465810), (45, 2926684), (57, 2310540), (60, 2195013), (76, 1732905), (90, 1463342), (95, 1386324), (97, 1357740), (114, 1155270), (171, 770180), (180, 731671), (190, 693162), (194, 678870), (228, 577635), (285, 462108), (291, 452580), (342, 385090), (380, 346581), (388, 339435), (397, 331740), (485, 271548), (570, 231054), (582, 226290), (684, 192545), (794, 165870), (855, 154036), (873, 150860), (970, 135774), (1140, 115527), (1164, 113145), (1191, 110580), (1455, 90516), (1588, 82935), (1710, 77018), (1746, 75430), (1843, 71460), (1940, 67887), (1985, 66348), (2382, 55290), (2910, 45258), (3420, 38509), (3492, 37715), (3573, 36860), (3686, 35730), (3970, 33174), (4365, 30172), (4764, 27645), (5529, 23820), (5820, 22629), (5955, 22116), (7146, 18430), (7372, 17865), (7543, 17460), (7940, 16587), (8730, 15086), (9215, 14292), (11058, 11910)]