248165745

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:215

約数の個数: 96

約数和(自身を含む): 466836480

約数和(自身を除く): 218670735

約数列:

[1, 3, 5, 15, 17, 19, 23, 51, 57, 69, 85, 95, 115, 131, 255, 285, 289, 323, 345, 391, 393, 437, 655, 867, 969, 1173, 1311, 1445, 1615, 1955, 1965, 2185, 2227, 2489, 3013, 4335, 4845, 5491, 5865, 6555, 6647, 6681, 7429, 7467, 9039, 11135, 12445, 15065, 16473, 19941, 22287, 27455, 33235, 33405, 37145, 37335, 37859, 42313, 45195, 51221, 57247, 82365, 99705, 111435, 113577, 126293, 126939, 153663, 171741, 189295, 211565, 256105, 286235, 378879, 567885, 631465, 634695, 719321, 768315, 858705, 870757, 973199, 1894395, 2157963, 2612271, 2919597, 3596605, 4353785, 4865995, 10789815, 13061355, 14597985, 16544383, 49633149, 82721915, 248165745]

約数ペア:

[(1, 248165745), (3, 82721915), (5, 49633149), (15, 16544383), (17, 14597985), (19, 13061355), (23, 10789815), (51, 4865995), (57, 4353785), (69, 3596605), (85, 2919597), (95, 2612271), (115, 2157963), (131, 1894395), (255, 973199), (285, 870757), (289, 858705), (323, 768315), (345, 719321), (391, 634695), (393, 631465), (437, 567885), (655, 378879), (867, 286235), (969, 256105), (1173, 211565), (1311, 189295), (1445, 171741), (1615, 153663), (1955, 126939), (1965, 126293), (2185, 113577), (2227, 111435), (2489, 99705), (3013, 82365), (4335, 57247), (4845, 51221), (5491, 45195), (5865, 42313), (6555, 37859), (6647, 37335), (6681, 37145), (7429, 33405), (7467, 33235), (9039, 27455), (11135, 22287), (12445, 19941), (15065, 16473)]