64660320

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{541}}^1$

素因数の和:645

約数の個数: 144

約数和(自身を含む): 223724592

約数和(自身を除く): 159064272

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 83, 90, 96, 120, 144, 160, 166, 180, 240, 249, 288, 332, 360, 415, 480, 498, 541, 664, 720, 747, 830, 996, 1082, 1245, 1328, 1440, 1494, 1623, 1660, 1992, 2164, 2490, 2656, 2705, 2988, 3246, 3320, 3735, 3984, 4328, 4869, 4980, 5410, 5976, 6492, 6640, 7470, 7968, 8115, 8656, 9738, 9960, 10820, 11952, 12984, 13280, 14940, 16230, 17312, 19476, 19920, 21640, 23904, 24345, 25968, 29880, 32460, 38952, 39840, 43280, 44903, 48690, 51936, 59760, 64920, 77904, 86560, 89806, 97380, 119520, 129840, 134709, 155808, 179612, 194760, 224515, 259680, 269418, 359224, 389520, 404127, 449030, 538836, 673545, 718448, 779040, 808254, 898060, 1077672, 1347090, 1436896, 1616508, 1796120, 2020635, 2155344, 2694180, 3233016, 3592240, 4041270, 4310688, 5388360, 6466032, 7184480, 8082540, 10776720, 12932064, 16165080, 21553440, 32330160, 64660320]

約数ペア:

[(1, 64660320), (2, 32330160), (3, 21553440), (4, 16165080), (5, 12932064), (6, 10776720), (8, 8082540), (9, 7184480), (10, 6466032), (12, 5388360), (15, 4310688), (16, 4041270), (18, 3592240), (20, 3233016), (24, 2694180), (30, 2155344), (32, 2020635), (36, 1796120), (40, 1616508), (45, 1436896), (48, 1347090), (60, 1077672), (72, 898060), (80, 808254), (83, 779040), (90, 718448), (96, 673545), (120, 538836), (144, 449030), (160, 404127), (166, 389520), (180, 359224), (240, 269418), (249, 259680), (288, 224515), (332, 194760), (360, 179612), (415, 155808), (480, 134709), (498, 129840), (541, 119520), (664, 97380), (720, 89806), (747, 86560), (830, 77904), (996, 64920), (1082, 59760), (1245, 51936), (1328, 48690), (1440, 44903), (1494, 43280), (1623, 39840), (1660, 38952), (1992, 32460), (2164, 29880), (2490, 25968), (2656, 24345), (2705, 23904), (2988, 21640), (3246, 19920), (3320, 19476), (3735, 17312), (3984, 16230), (4328, 14940), (4869, 13280), (4980, 12984), (5410, 11952), (5976, 10820), (6492, 9960), (6640, 9738), (7470, 8656), (7968, 8115)]