15661800016

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{239}}^1\times {\mathrm{1373}}^1$

素因数の和:1796

約数の個数: 80

約数和(自身を含む): 32303289600

約数和(自身を除く): 16641489584

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 157, 239, 304, 314, 478, 628, 956, 1256, 1373, 1912, 2512, 2746, 2983, 3824, 4541, 5492, 5966, 9082, 10984, 11932, 18164, 21968, 23864, 26087, 36328, 37523, 47728, 52174, 72656, 75046, 104348, 150092, 208696, 215561, 300184, 328147, 417392, 431122, 600368, 656294, 712937, 862244, 1312588, 1425874, 1724488, 2625176, 2851748, 3448976, 4095659, 5250352, 5703496, 6234793, 8191318, 11406992, 12469586, 16382636, 24939172, 32765272, 49878344, 51519079, 65530544, 99756688, 103038158, 206076316, 412152632, 824305264, 978862501, 1957725002, 3915450004, 7830900008, 15661800016]

約数ペア:

[(1, 15661800016), (2, 7830900008), (4, 3915450004), (8, 1957725002), (16, 978862501), (19, 824305264), (38, 412152632), (76, 206076316), (152, 103038158), (157, 99756688), (239, 65530544), (304, 51519079), (314, 49878344), (478, 32765272), (628, 24939172), (956, 16382636), (1256, 12469586), (1373, 11406992), (1912, 8191318), (2512, 6234793), (2746, 5703496), (2983, 5250352), (3824, 4095659), (4541, 3448976), (5492, 2851748), (5966, 2625176), (9082, 1724488), (10984, 1425874), (11932, 1312588), (18164, 862244), (21968, 712937), (23864, 656294), (26087, 600368), (36328, 431122), (37523, 417392), (47728, 328147), (52174, 300184), (72656, 215561), (75046, 208696), (104348, 150092)]