68253640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1103}}^1$

素因数の和:1151

約数の個数: 128

約数和(自身を含む): 200309760

約数和(自身を除く): 132056120

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 17, 20, 26, 28, 34, 35, 40, 52, 56, 65, 68, 70, 85, 91, 104, 119, 130, 136, 140, 170, 182, 221, 238, 260, 280, 340, 364, 442, 455, 476, 520, 595, 680, 728, 884, 910, 952, 1103, 1105, 1190, 1547, 1768, 1820, 2206, 2210, 2380, 3094, 3640, 4412, 4420, 4760, 5515, 6188, 7721, 7735, 8824, 8840, 11030, 12376, 14339, 15442, 15470, 18751, 22060, 28678, 30884, 30940, 37502, 38605, 44120, 57356, 61768, 61880, 71695, 75004, 77210, 93755, 100373, 114712, 131257, 143390, 150008, 154420, 187510, 200746, 243763, 262514, 286780, 308840, 375020, 401492, 487526, 501865, 525028, 573560, 656285, 750040, 802984, 975052, 1003730, 1050056, 1218815, 1312570, 1706341, 1950104, 2007460, 2437630, 2625140, 3412682, 4014920, 4875260, 5250280, 6825364, 8531705, 9750520, 13650728, 17063410, 34126820, 68253640]

約数ペア:

[(1, 68253640), (2, 34126820), (4, 17063410), (5, 13650728), (7, 9750520), (8, 8531705), (10, 6825364), (13, 5250280), (14, 4875260), (17, 4014920), (20, 3412682), (26, 2625140), (28, 2437630), (34, 2007460), (35, 1950104), (40, 1706341), (52, 1312570), (56, 1218815), (65, 1050056), (68, 1003730), (70, 975052), (85, 802984), (91, 750040), (104, 656285), (119, 573560), (130, 525028), (136, 501865), (140, 487526), (170, 401492), (182, 375020), (221, 308840), (238, 286780), (260, 262514), (280, 243763), (340, 200746), (364, 187510), (442, 154420), (455, 150008), (476, 143390), (520, 131257), (595, 114712), (680, 100373), (728, 93755), (884, 77210), (910, 75004), (952, 71695), (1103, 61880), (1105, 61768), (1190, 57356), (1547, 44120), (1768, 38605), (1820, 37502), (2206, 30940), (2210, 30884), (2380, 28678), (3094, 22060), (3640, 18751), (4412, 15470), (4420, 15442), (4760, 14339), (5515, 12376), (6188, 11030), (7721, 8840), (7735, 8824)]