77539980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{523}}^1$

素因数の和:895

約数の個数: 96

約数和(自身を含む): 249306624

約数和(自身を除く): 171766644

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 353, 420, 523, 706, 1046, 1059, 1412, 1569, 1765, 2092, 2118, 2471, 2615, 3138, 3530, 3661, 4236, 4942, 5230, 5295, 6276, 7060, 7322, 7413, 7845, 9884, 10460, 10590, 10983, 12355, 14644, 14826, 15690, 18305, 21180, 21966, 24710, 29652, 31380, 36610, 37065, 43932, 49420, 54915, 73220, 74130, 109830, 148260, 184619, 219660, 369238, 553857, 738476, 923095, 1107714, 1292333, 1846190, 2215428, 2584666, 2769285, 3692380, 3876999, 5169332, 5538570, 6461665, 7753998, 11077140, 12923330, 15507996, 19384995, 25846660, 38769990, 77539980]

約数ペア:

[(1, 77539980), (2, 38769990), (3, 25846660), (4, 19384995), (5, 15507996), (6, 12923330), (7, 11077140), (10, 7753998), (12, 6461665), (14, 5538570), (15, 5169332), (20, 3876999), (21, 3692380), (28, 2769285), (30, 2584666), (35, 2215428), (42, 1846190), (60, 1292333), (70, 1107714), (84, 923095), (105, 738476), (140, 553857), (210, 369238), (353, 219660), (420, 184619), (523, 148260), (706, 109830), (1046, 74130), (1059, 73220), (1412, 54915), (1569, 49420), (1765, 43932), (2092, 37065), (2118, 36610), (2471, 31380), (2615, 29652), (3138, 24710), (3530, 21966), (3661, 21180), (4236, 18305), (4942, 15690), (5230, 14826), (5295, 14644), (6276, 12355), (7060, 10983), (7322, 10590), (7413, 10460), (7845, 9884)]