71615560

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1$

素因数の和:311

約数の個数: 128

約数和(自身を含む): 188179200

約数和(自身を除く): 116563640

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 23, 34, 38, 40, 46, 68, 76, 85, 92, 95, 115, 136, 152, 170, 184, 190, 230, 241, 323, 340, 380, 391, 437, 460, 482, 646, 680, 760, 782, 874, 920, 964, 1205, 1292, 1564, 1615, 1748, 1928, 1955, 2185, 2410, 2584, 3128, 3230, 3496, 3910, 4097, 4370, 4579, 4820, 5543, 6460, 7429, 7820, 8194, 8740, 9158, 9640, 11086, 12920, 14858, 15640, 16388, 17480, 18316, 20485, 22172, 22895, 27715, 29716, 32776, 36632, 37145, 40970, 44344, 45790, 55430, 59432, 74290, 77843, 81940, 91580, 94231, 105317, 110860, 148580, 155686, 163880, 183160, 188462, 210634, 221720, 297160, 311372, 376924, 389215, 421268, 471155, 526585, 622744, 753848, 778430, 842536, 942310, 1053170, 1556860, 1790389, 1884620, 2106340, 3113720, 3580778, 3769240, 4212680, 7161556, 8951945, 14323112, 17903890, 35807780, 71615560]

約数ペア:

[(1, 71615560), (2, 35807780), (4, 17903890), (5, 14323112), (8, 8951945), (10, 7161556), (17, 4212680), (19, 3769240), (20, 3580778), (23, 3113720), (34, 2106340), (38, 1884620), (40, 1790389), (46, 1556860), (68, 1053170), (76, 942310), (85, 842536), (92, 778430), (95, 753848), (115, 622744), (136, 526585), (152, 471155), (170, 421268), (184, 389215), (190, 376924), (230, 311372), (241, 297160), (323, 221720), (340, 210634), (380, 188462), (391, 183160), (437, 163880), (460, 155686), (482, 148580), (646, 110860), (680, 105317), (760, 94231), (782, 91580), (874, 81940), (920, 77843), (964, 74290), (1205, 59432), (1292, 55430), (1564, 45790), (1615, 44344), (1748, 40970), (1928, 37145), (1955, 36632), (2185, 32776), (2410, 29716), (2584, 27715), (3128, 22895), (3230, 22172), (3496, 20485), (3910, 18316), (4097, 17480), (4370, 16388), (4579, 15640), (4820, 14858), (5543, 12920), (6460, 11086), (7429, 9640), (7820, 9158), (8194, 8740)]