61777040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{311}}^1$

素因数の和:528

約数の個数: 80

約数和(自身を含む): 155990016

約数和(自身を除く): 94212976

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 191, 208, 260, 311, 382, 520, 622, 764, 955, 1040, 1244, 1528, 1555, 1910, 2483, 2488, 3056, 3110, 3820, 4043, 4966, 4976, 6220, 7640, 8086, 9932, 12415, 12440, 15280, 16172, 19864, 20215, 24830, 24880, 32344, 39728, 40430, 49660, 59401, 64688, 80860, 99320, 118802, 161720, 198640, 237604, 297005, 323440, 475208, 594010, 772213, 950416, 1188020, 1544426, 2376040, 3088852, 3861065, 4752080, 6177704, 7722130, 12355408, 15444260, 30888520, 61777040]

約数ペア:

[(1, 61777040), (2, 30888520), (4, 15444260), (5, 12355408), (8, 7722130), (10, 6177704), (13, 4752080), (16, 3861065), (20, 3088852), (26, 2376040), (40, 1544426), (52, 1188020), (65, 950416), (80, 772213), (104, 594010), (130, 475208), (191, 323440), (208, 297005), (260, 237604), (311, 198640), (382, 161720), (520, 118802), (622, 99320), (764, 80860), (955, 64688), (1040, 59401), (1244, 49660), (1528, 40430), (1555, 39728), (1910, 32344), (2483, 24880), (2488, 24830), (3056, 20215), (3110, 19864), (3820, 16172), (4043, 15280), (4966, 12440), (4976, 12415), (6220, 9932), (7640, 8086)]