318534920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^3\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:268

約数の個数: 128

約数和(自身を含む): 817966080

約数和(自身を除く): 499431160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 121, 124, 155, 193, 220, 242, 248, 310, 341, 386, 440, 484, 605, 620, 682, 772, 965, 968, 1210, 1240, 1331, 1364, 1544, 1705, 1930, 2123, 2420, 2662, 2728, 3410, 3751, 3860, 4246, 4840, 5324, 5983, 6655, 6820, 7502, 7720, 8492, 10615, 10648, 11966, 13310, 13640, 15004, 16984, 18755, 21230, 23353, 23932, 26620, 29915, 30008, 37510, 41261, 42460, 46706, 47864, 53240, 59830, 65813, 75020, 82522, 84920, 93412, 116765, 119660, 131626, 150040, 165044, 186824, 206305, 233530, 239320, 256883, 263252, 329065, 330088, 412610, 467060, 513766, 526504, 658130, 723943, 825220, 934120, 1027532, 1284415, 1316260, 1447886, 1650440, 2055064, 2568830, 2632520, 2895772, 3619715, 5137660, 5791544, 7239430, 7963373, 10275320, 14478860, 15926746, 28957720, 31853492, 39816865, 63706984, 79633730, 159267460, 318534920]

約数ペア:

[(1, 318534920), (2, 159267460), (4, 79633730), (5, 63706984), (8, 39816865), (10, 31853492), (11, 28957720), (20, 15926746), (22, 14478860), (31, 10275320), (40, 7963373), (44, 7239430), (55, 5791544), (62, 5137660), (88, 3619715), (110, 2895772), (121, 2632520), (124, 2568830), (155, 2055064), (193, 1650440), (220, 1447886), (242, 1316260), (248, 1284415), (310, 1027532), (341, 934120), (386, 825220), (440, 723943), (484, 658130), (605, 526504), (620, 513766), (682, 467060), (772, 412610), (965, 330088), (968, 329065), (1210, 263252), (1240, 256883), (1331, 239320), (1364, 233530), (1544, 206305), (1705, 186824), (1930, 165044), (2123, 150040), (2420, 131626), (2662, 119660), (2728, 116765), (3410, 93412), (3751, 84920), (3860, 82522), (4246, 75020), (4840, 65813), (5324, 59830), (5983, 53240), (6655, 47864), (6820, 46706), (7502, 42460), (7720, 41261), (8492, 37510), (10615, 30008), (10648, 29915), (11966, 26620), (13310, 23932), (13640, 23353), (15004, 21230), (16984, 18755)]