64721720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{13597}}^1$

素因数の和:13632

約数の個数: 64

約数和(自身を含む): 176230080

約数和(自身を除く): 111508360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 476, 595, 680, 952, 1190, 2380, 4760, 13597, 27194, 54388, 67985, 95179, 108776, 135970, 190358, 231149, 271940, 380716, 462298, 475895, 543880, 761432, 924596, 951790, 1155745, 1618043, 1849192, 1903580, 2311490, 3236086, 3807160, 4622980, 6472172, 8090215, 9245960, 12944344, 16180430, 32360860, 64721720]

約数ペア:

[(1, 64721720), (2, 32360860), (4, 16180430), (5, 12944344), (7, 9245960), (8, 8090215), (10, 6472172), (14, 4622980), (17, 3807160), (20, 3236086), (28, 2311490), (34, 1903580), (35, 1849192), (40, 1618043), (56, 1155745), (68, 951790), (70, 924596), (85, 761432), (119, 543880), (136, 475895), (140, 462298), (170, 380716), (238, 271940), (280, 231149), (340, 190358), (476, 135970), (595, 108776), (680, 95179), (952, 67985), (1190, 54388), (2380, 27194), (4760, 13597)]