87741420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{509}}^1$

素因数の和:564

約数の個数: 144

約数和(自身を含む): 282229920

約数和(自身を除く): 194488500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 26, 30, 34, 39, 51, 52, 60, 65, 68, 78, 85, 102, 130, 156, 169, 170, 195, 204, 221, 255, 260, 338, 340, 390, 442, 507, 509, 510, 663, 676, 780, 845, 884, 1014, 1018, 1020, 1105, 1326, 1527, 1690, 2028, 2036, 2210, 2535, 2545, 2652, 2873, 3054, 3315, 3380, 4420, 5070, 5090, 5746, 6108, 6617, 6630, 7635, 8619, 8653, 10140, 10180, 11492, 13234, 13260, 14365, 15270, 17238, 17306, 19851, 25959, 26468, 28730, 30540, 33085, 34476, 34612, 39702, 43095, 43265, 51918, 57460, 66170, 79404, 86021, 86190, 86530, 99255, 103836, 112489, 129795, 132340, 172042, 172380, 173060, 198510, 224978, 258063, 259590, 337467, 344084, 397020, 430105, 449956, 516126, 519180, 562445, 674934, 860210, 1032252, 1124890, 1290315, 1349868, 1462357, 1687335, 1720420, 2249780, 2580630, 2924714, 3374670, 4387071, 5161260, 5849428, 6749340, 7311785, 8774142, 14623570, 17548284, 21935355, 29247140, 43870710, 87741420]

約数ペア:

[(1, 87741420), (2, 43870710), (3, 29247140), (4, 21935355), (5, 17548284), (6, 14623570), (10, 8774142), (12, 7311785), (13, 6749340), (15, 5849428), (17, 5161260), (20, 4387071), (26, 3374670), (30, 2924714), (34, 2580630), (39, 2249780), (51, 1720420), (52, 1687335), (60, 1462357), (65, 1349868), (68, 1290315), (78, 1124890), (85, 1032252), (102, 860210), (130, 674934), (156, 562445), (169, 519180), (170, 516126), (195, 449956), (204, 430105), (221, 397020), (255, 344084), (260, 337467), (338, 259590), (340, 258063), (390, 224978), (442, 198510), (507, 173060), (509, 172380), (510, 172042), (663, 132340), (676, 129795), (780, 112489), (845, 103836), (884, 99255), (1014, 86530), (1018, 86190), (1020, 86021), (1105, 79404), (1326, 66170), (1527, 57460), (1690, 51918), (2028, 43265), (2036, 43095), (2210, 39702), (2535, 34612), (2545, 34476), (2652, 33085), (2873, 30540), (3054, 28730), (3315, 26468), (3380, 25959), (4420, 19851), (5070, 17306), (5090, 17238), (5746, 15270), (6108, 14365), (6617, 13260), (6630, 13234), (7635, 11492), (8619, 10180), (8653, 10140)]