145945020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{389}}^1$

素因数の和:464

約数の個数: 144

約数和(自身を含む): 455626080

約数和(自身を除く): 309681060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 37, 39, 52, 60, 65, 74, 78, 111, 130, 148, 156, 169, 185, 195, 222, 260, 338, 370, 389, 390, 444, 481, 507, 555, 676, 740, 778, 780, 845, 962, 1014, 1110, 1167, 1443, 1556, 1690, 1924, 1945, 2028, 2220, 2334, 2405, 2535, 2886, 3380, 3890, 4668, 4810, 5057, 5070, 5772, 5835, 6253, 7215, 7780, 9620, 10114, 10140, 11670, 12506, 14393, 14430, 15171, 18759, 20228, 23340, 25012, 25285, 28786, 28860, 30342, 31265, 37518, 43179, 50570, 57572, 60684, 62530, 65741, 71965, 75036, 75855, 86358, 93795, 101140, 125060, 131482, 143930, 151710, 172716, 187109, 187590, 197223, 215895, 262964, 287860, 303420, 328705, 374218, 375180, 394446, 431790, 561327, 657410, 748436, 788892, 863580, 935545, 986115, 1122654, 1314820, 1871090, 1972230, 2245308, 2432417, 2806635, 3742180, 3944460, 4864834, 5613270, 7297251, 9729668, 11226540, 12162085, 14594502, 24324170, 29189004, 36486255, 48648340, 72972510, 145945020]

約数ペア:

[(1, 145945020), (2, 72972510), (3, 48648340), (4, 36486255), (5, 29189004), (6, 24324170), (10, 14594502), (12, 12162085), (13, 11226540), (15, 9729668), (20, 7297251), (26, 5613270), (30, 4864834), (37, 3944460), (39, 3742180), (52, 2806635), (60, 2432417), (65, 2245308), (74, 1972230), (78, 1871090), (111, 1314820), (130, 1122654), (148, 986115), (156, 935545), (169, 863580), (185, 788892), (195, 748436), (222, 657410), (260, 561327), (338, 431790), (370, 394446), (389, 375180), (390, 374218), (444, 328705), (481, 303420), (507, 287860), (555, 262964), (676, 215895), (740, 197223), (778, 187590), (780, 187109), (845, 172716), (962, 151710), (1014, 143930), (1110, 131482), (1167, 125060), (1443, 101140), (1556, 93795), (1690, 86358), (1924, 75855), (1945, 75036), (2028, 71965), (2220, 65741), (2334, 62530), (2405, 60684), (2535, 57572), (2886, 50570), (3380, 43179), (3890, 37518), (4668, 31265), (4810, 30342), (5057, 28860), (5070, 28786), (5772, 25285), (5835, 25012), (6253, 23340), (7215, 20228), (7780, 18759), (9620, 15171), (10114, 14430), (10140, 14393), (11670, 12506)]