381963660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{139}}^1\times {\mathrm{271}}^1$

素因数の和:448

約数の個数: 144

約数和(自身を含む): 1170731520

約数和(自身を除く): 788767860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 139, 156, 169, 195, 260, 271, 278, 338, 390, 417, 507, 542, 556, 676, 695, 780, 813, 834, 845, 1014, 1084, 1355, 1390, 1626, 1668, 1690, 1807, 2028, 2085, 2535, 2710, 2780, 3252, 3380, 3523, 3614, 4065, 4170, 5070, 5420, 5421, 7046, 7228, 8130, 8340, 9035, 10140, 10569, 10842, 14092, 16260, 17615, 18070, 21138, 21684, 23491, 27105, 35230, 36140, 37669, 42276, 45799, 46982, 52845, 54210, 70460, 70473, 75338, 91598, 93964, 105690, 108420, 113007, 117455, 137397, 140946, 150676, 183196, 188345, 211380, 226014, 228995, 234910, 274794, 281892, 352365, 376690, 452028, 457990, 469820, 489697, 549588, 565035, 686985, 704730, 753380, 915980, 979394, 1130070, 1373970, 1409460, 1469091, 1958788, 2260140, 2448485, 2747940, 2938182, 4896970, 5876364, 6366061, 7345455, 9793940, 12732122, 14690910, 19098183, 25464244, 29381820, 31830305, 38196366, 63660610, 76392732, 95490915, 127321220, 190981830, 381963660]

約数ペア:

[(1, 381963660), (2, 190981830), (3, 127321220), (4, 95490915), (5, 76392732), (6, 63660610), (10, 38196366), (12, 31830305), (13, 29381820), (15, 25464244), (20, 19098183), (26, 14690910), (30, 12732122), (39, 9793940), (52, 7345455), (60, 6366061), (65, 5876364), (78, 4896970), (130, 2938182), (139, 2747940), (156, 2448485), (169, 2260140), (195, 1958788), (260, 1469091), (271, 1409460), (278, 1373970), (338, 1130070), (390, 979394), (417, 915980), (507, 753380), (542, 704730), (556, 686985), (676, 565035), (695, 549588), (780, 489697), (813, 469820), (834, 457990), (845, 452028), (1014, 376690), (1084, 352365), (1355, 281892), (1390, 274794), (1626, 234910), (1668, 228995), (1690, 226014), (1807, 211380), (2028, 188345), (2085, 183196), (2535, 150676), (2710, 140946), (2780, 137397), (3252, 117455), (3380, 113007), (3523, 108420), (3614, 105690), (4065, 93964), (4170, 91598), (5070, 75338), (5420, 70473), (5421, 70460), (7046, 54210), (7228, 52845), (8130, 46982), (8340, 45799), (9035, 42276), (10140, 37669), (10569, 36140), (10842, 35230), (14092, 27105), (16260, 23491), (17615, 21684), (18070, 21138)]