131562360

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1997}}^1$

素因数の和:2078

約数の個数: 128

約数和(自身を含む): 445953600

約数和(自身を除く): 314391240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 61, 72, 90, 108, 120, 122, 135, 180, 183, 216, 244, 270, 305, 360, 366, 488, 540, 549, 610, 732, 915, 1080, 1098, 1220, 1464, 1647, 1830, 1997, 2196, 2440, 2745, 3294, 3660, 3994, 4392, 5490, 5991, 6588, 7320, 7988, 8235, 9985, 10980, 11982, 13176, 15976, 16470, 17973, 19970, 21960, 23964, 29955, 32940, 35946, 39940, 47928, 53919, 59910, 65880, 71892, 79880, 89865, 107838, 119820, 121817, 143784, 179730, 215676, 239640, 243634, 269595, 359460, 365451, 431352, 487268, 539190, 609085, 718920, 730902, 974536, 1078380, 1096353, 1218170, 1461804, 1827255, 2156760, 2192706, 2436340, 2923608, 3289059, 3654510, 4385412, 4872680, 5481765, 6578118, 7309020, 8770824, 10963530, 13156236, 14618040, 16445295, 21927060, 26312472, 32890590, 43854120, 65781180, 131562360]

約数ペア:

[(1, 131562360), (2, 65781180), (3, 43854120), (4, 32890590), (5, 26312472), (6, 21927060), (8, 16445295), (9, 14618040), (10, 13156236), (12, 10963530), (15, 8770824), (18, 7309020), (20, 6578118), (24, 5481765), (27, 4872680), (30, 4385412), (36, 3654510), (40, 3289059), (45, 2923608), (54, 2436340), (60, 2192706), (61, 2156760), (72, 1827255), (90, 1461804), (108, 1218170), (120, 1096353), (122, 1078380), (135, 974536), (180, 730902), (183, 718920), (216, 609085), (244, 539190), (270, 487268), (305, 431352), (360, 365451), (366, 359460), (488, 269595), (540, 243634), (549, 239640), (610, 215676), (732, 179730), (915, 143784), (1080, 121817), (1098, 119820), (1220, 107838), (1464, 89865), (1647, 79880), (1830, 71892), (1997, 65880), (2196, 59910), (2440, 53919), (2745, 47928), (3294, 39940), (3660, 35946), (3994, 32940), (4392, 29955), (5490, 23964), (5991, 21960), (6588, 19970), (7320, 17973), (7988, 16470), (8235, 15976), (9985, 13176), (10980, 11982)]