15665937040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{246941}}^1$

素因数の和:247028

約数の個数: 80

約数和(自身を含む): 39868292016

約数和(自身を除く): 24202354976

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 61, 65, 80, 104, 122, 130, 208, 244, 260, 305, 488, 520, 610, 793, 976, 1040, 1220, 1586, 2440, 3172, 3965, 4880, 6344, 7930, 12688, 15860, 31720, 63440, 246941, 493882, 987764, 1234705, 1975528, 2469410, 3210233, 3951056, 4938820, 6420466, 9877640, 12840932, 15063401, 16051165, 19755280, 25681864, 30126802, 32102330, 51363728, 60253604, 64204660, 75317005, 120507208, 128409320, 150634010, 195824213, 241014416, 256818640, 301268020, 391648426, 602536040, 783296852, 979121065, 1205072080, 1566593704, 1958242130, 3133187408, 3916484260, 7832968520, 15665937040]

約数ペア:

[(1, 15665937040), (2, 7832968520), (4, 3916484260), (5, 3133187408), (8, 1958242130), (10, 1566593704), (13, 1205072080), (16, 979121065), (20, 783296852), (26, 602536040), (40, 391648426), (52, 301268020), (61, 256818640), (65, 241014416), (80, 195824213), (104, 150634010), (122, 128409320), (130, 120507208), (208, 75317005), (244, 64204660), (260, 60253604), (305, 51363728), (488, 32102330), (520, 30126802), (610, 25681864), (793, 19755280), (976, 16051165), (1040, 15063401), (1220, 12840932), (1586, 9877640), (2440, 6420466), (3172, 4938820), (3965, 3951056), (4880, 3210233), (6344, 2469410), (7930, 1975528), (12688, 1234705), (15860, 987764), (31720, 493882), (63440, 246941)]