161745752

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:225

約数の個数: 128

約数和(自身を含む): 391910400

約数和(自身を除く): 230164648

約数列:

[1, 2, 4, 7, 8, 14, 17, 23, 28, 34, 46, 56, 68, 83, 89, 92, 119, 136, 161, 166, 178, 184, 238, 322, 332, 356, 391, 476, 581, 623, 644, 664, 712, 782, 952, 1162, 1246, 1288, 1411, 1513, 1564, 1909, 2047, 2324, 2492, 2737, 2822, 3026, 3128, 3818, 4094, 4648, 4984, 5474, 5644, 6052, 7387, 7636, 8188, 9877, 10591, 10948, 11288, 12104, 13363, 14329, 14774, 15272, 16376, 19754, 21182, 21896, 26726, 28658, 29548, 32453, 34799, 39508, 42364, 51709, 53452, 57316, 59096, 64906, 69598, 79016, 84728, 103418, 106904, 114632, 125579, 129812, 139196, 169901, 206836, 227171, 243593, 251158, 259624, 278392, 339802, 413672, 454342, 487186, 502316, 679604, 879053, 908684, 974372, 1004632, 1189307, 1359208, 1758106, 1817368, 1948744, 2378614, 2888317, 3516212, 4757228, 5776634, 7032424, 9514456, 11553268, 20218219, 23106536, 40436438, 80872876, 161745752]

約数ペア:

[(1, 161745752), (2, 80872876), (4, 40436438), (7, 23106536), (8, 20218219), (14, 11553268), (17, 9514456), (23, 7032424), (28, 5776634), (34, 4757228), (46, 3516212), (56, 2888317), (68, 2378614), (83, 1948744), (89, 1817368), (92, 1758106), (119, 1359208), (136, 1189307), (161, 1004632), (166, 974372), (178, 908684), (184, 879053), (238, 679604), (322, 502316), (332, 487186), (356, 454342), (391, 413672), (476, 339802), (581, 278392), (623, 259624), (644, 251158), (664, 243593), (712, 227171), (782, 206836), (952, 169901), (1162, 139196), (1246, 129812), (1288, 125579), (1411, 114632), (1513, 106904), (1564, 103418), (1909, 84728), (2047, 79016), (2324, 69598), (2492, 64906), (2737, 59096), (2822, 57316), (3026, 53452), (3128, 51709), (3818, 42364), (4094, 39508), (4648, 34799), (4984, 32453), (5474, 29548), (5644, 28658), (6052, 26726), (7387, 21896), (7636, 21182), (8188, 19754), (9877, 16376), (10591, 15272), (10948, 14774), (11288, 14329), (12104, 13363)]