64238720

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1103}}^1$

素因数の和:1142

約数の個数: 128

約数和(自身を含む): 189181440

約数和(自身を除く): 124942720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 182, 208, 224, 260, 280, 320, 364, 416, 448, 455, 520, 560, 640, 728, 832, 896, 910, 1040, 1103, 1120, 1456, 1664, 1820, 2080, 2206, 2240, 2912, 3640, 4160, 4412, 4480, 5515, 5824, 7280, 7721, 8320, 8824, 11030, 11648, 14339, 14560, 15442, 17648, 22060, 28678, 29120, 30884, 35296, 38605, 44120, 57356, 58240, 61768, 70592, 71695, 77210, 88240, 100373, 114712, 123536, 141184, 143390, 154420, 176480, 200746, 229424, 247072, 286780, 308840, 352960, 401492, 458848, 494144, 501865, 573560, 617680, 705920, 802984, 917696, 988288, 1003730, 1147120, 1235360, 1605968, 1835392, 2007460, 2294240, 2470720, 3211936, 4014920, 4588480, 4941440, 6423872, 8029840, 9176960, 12847744, 16059680, 32119360, 64238720]

約数ペア:

[(1, 64238720), (2, 32119360), (4, 16059680), (5, 12847744), (7, 9176960), (8, 8029840), (10, 6423872), (13, 4941440), (14, 4588480), (16, 4014920), (20, 3211936), (26, 2470720), (28, 2294240), (32, 2007460), (35, 1835392), (40, 1605968), (52, 1235360), (56, 1147120), (64, 1003730), (65, 988288), (70, 917696), (80, 802984), (91, 705920), (104, 617680), (112, 573560), (128, 501865), (130, 494144), (140, 458848), (160, 401492), (182, 352960), (208, 308840), (224, 286780), (260, 247072), (280, 229424), (320, 200746), (364, 176480), (416, 154420), (448, 143390), (455, 141184), (520, 123536), (560, 114712), (640, 100373), (728, 88240), (832, 77210), (896, 71695), (910, 70592), (1040, 61768), (1103, 58240), (1120, 57356), (1456, 44120), (1664, 38605), (1820, 35296), (2080, 30884), (2206, 29120), (2240, 28678), (2912, 22060), (3640, 17648), (4160, 15442), (4412, 14560), (4480, 14339), (5515, 11648), (5824, 11030), (7280, 8824), (7721, 8320)]