15420496

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1$

素因数の和:141

約数の個数: 120

約数和(自身を含む): 40075560

約数和(自身を除く): 24655064

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 34, 49, 52, 56, 68, 89, 91, 98, 104, 112, 119, 136, 178, 182, 196, 208, 221, 238, 272, 356, 364, 392, 442, 476, 623, 637, 712, 728, 784, 833, 884, 952, 1157, 1246, 1274, 1424, 1456, 1513, 1547, 1666, 1768, 1904, 2314, 2492, 2548, 3026, 3094, 3332, 3536, 4361, 4628, 4984, 5096, 6052, 6188, 6664, 8099, 8722, 9256, 9968, 10192, 10591, 10829, 12104, 12376, 13328, 16198, 17444, 18512, 19669, 21182, 21658, 24208, 24752, 32396, 34888, 39338, 42364, 43316, 56693, 64792, 69776, 74137, 78676, 84728, 86632, 113386, 129584, 137683, 148274, 157352, 169456, 173264, 226772, 275366, 296548, 314704, 453544, 550732, 593096, 907088, 963781, 1101464, 1186192, 1927562, 2202928, 3855124, 7710248, 15420496]

約数ペア:

[(1, 15420496), (2, 7710248), (4, 3855124), (7, 2202928), (8, 1927562), (13, 1186192), (14, 1101464), (16, 963781), (17, 907088), (26, 593096), (28, 550732), (34, 453544), (49, 314704), (52, 296548), (56, 275366), (68, 226772), (89, 173264), (91, 169456), (98, 157352), (104, 148274), (112, 137683), (119, 129584), (136, 113386), (178, 86632), (182, 84728), (196, 78676), (208, 74137), (221, 69776), (238, 64792), (272, 56693), (356, 43316), (364, 42364), (392, 39338), (442, 34888), (476, 32396), (623, 24752), (637, 24208), (712, 21658), (728, 21182), (784, 19669), (833, 18512), (884, 17444), (952, 16198), (1157, 13328), (1246, 12376), (1274, 12104), (1424, 10829), (1456, 10591), (1513, 10192), (1547, 9968), (1666, 9256), (1768, 8722), (1904, 8099), (2314, 6664), (2492, 6188), (2548, 6052), (3026, 5096), (3094, 4984), (3332, 4628), (3536, 4361)]