31078440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{659}}^1$

素因数の和:807

約数の個数: 96

約数和(自身を含む): 101930400

約数和(自身を除く): 70851960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 131, 180, 262, 360, 393, 524, 655, 659, 786, 1048, 1179, 1310, 1318, 1572, 1965, 1977, 2358, 2620, 2636, 3144, 3295, 3930, 3954, 4716, 5240, 5272, 5895, 5931, 6590, 7860, 7908, 9432, 9885, 11790, 11862, 13180, 15720, 15816, 19770, 23580, 23724, 26360, 29655, 39540, 47160, 47448, 59310, 79080, 86329, 118620, 172658, 237240, 258987, 345316, 431645, 517974, 690632, 776961, 863290, 1035948, 1294935, 1553922, 1726580, 2071896, 2589870, 3107844, 3453160, 3884805, 5179740, 6215688, 7769610, 10359480, 15539220, 31078440]

約数ペア:

[(1, 31078440), (2, 15539220), (3, 10359480), (4, 7769610), (5, 6215688), (6, 5179740), (8, 3884805), (9, 3453160), (10, 3107844), (12, 2589870), (15, 2071896), (18, 1726580), (20, 1553922), (24, 1294935), (30, 1035948), (36, 863290), (40, 776961), (45, 690632), (60, 517974), (72, 431645), (90, 345316), (120, 258987), (131, 237240), (180, 172658), (262, 118620), (360, 86329), (393, 79080), (524, 59310), (655, 47448), (659, 47160), (786, 39540), (1048, 29655), (1179, 26360), (1310, 23724), (1318, 23580), (1572, 19770), (1965, 15816), (1977, 15720), (2358, 13180), (2620, 11862), (2636, 11790), (3144, 9885), (3295, 9432), (3930, 7908), (3954, 7860), (4716, 6590), (5240, 5931), (5272, 5895)]