81063720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1597}}^1$

素因数の和:1664

約数の個数: 128

約数和(自身を含む): 276134400

約数和(自身を除く): 195070680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 47, 54, 60, 72, 90, 94, 108, 120, 135, 141, 180, 188, 216, 235, 270, 282, 360, 376, 423, 470, 540, 564, 705, 846, 940, 1080, 1128, 1269, 1410, 1597, 1692, 1880, 2115, 2538, 2820, 3194, 3384, 4230, 4791, 5076, 5640, 6345, 6388, 7985, 8460, 9582, 10152, 12690, 12776, 14373, 15970, 16920, 19164, 23955, 25380, 28746, 31940, 38328, 43119, 47910, 50760, 57492, 63880, 71865, 75059, 86238, 95820, 114984, 143730, 150118, 172476, 191640, 215595, 225177, 287460, 300236, 344952, 375295, 431190, 450354, 574920, 600472, 675531, 750590, 862380, 900708, 1125885, 1351062, 1501180, 1724760, 1801416, 2026593, 2251770, 2702124, 3002360, 3377655, 4053186, 4503540, 5404248, 6755310, 8106372, 9007080, 10132965, 13510620, 16212744, 20265930, 27021240, 40531860, 81063720]

約数ペア:

[(1, 81063720), (2, 40531860), (3, 27021240), (4, 20265930), (5, 16212744), (6, 13510620), (8, 10132965), (9, 9007080), (10, 8106372), (12, 6755310), (15, 5404248), (18, 4503540), (20, 4053186), (24, 3377655), (27, 3002360), (30, 2702124), (36, 2251770), (40, 2026593), (45, 1801416), (47, 1724760), (54, 1501180), (60, 1351062), (72, 1125885), (90, 900708), (94, 862380), (108, 750590), (120, 675531), (135, 600472), (141, 574920), (180, 450354), (188, 431190), (216, 375295), (235, 344952), (270, 300236), (282, 287460), (360, 225177), (376, 215595), (423, 191640), (470, 172476), (540, 150118), (564, 143730), (705, 114984), (846, 95820), (940, 86238), (1080, 75059), (1128, 71865), (1269, 63880), (1410, 57492), (1597, 50760), (1692, 47910), (1880, 43119), (2115, 38328), (2538, 31940), (2820, 28746), (3194, 25380), (3384, 23955), (4230, 19164), (4791, 16920), (5076, 15970), (5640, 14373), (6345, 12776), (6388, 12690), (7985, 10152), (8460, 9582)]