18311157040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{887}}^1\times {\mathrm{23459}}^1$

素因数の和:24370

約数の個数: 80

約数和(自身を含む): 46498095360

約数和(自身を除く): 28186938320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 887, 1774, 3548, 4435, 7096, 8870, 9757, 14192, 17740, 19514, 23459, 35480, 39028, 46918, 48785, 70960, 78056, 93836, 97570, 117295, 156112, 187672, 195140, 234590, 258049, 375344, 390280, 469180, 516098, 780560, 938360, 1032196, 1290245, 1876720, 2064392, 2580490, 4128784, 5160980, 10321960, 20643920, 20808133, 41616266, 83232532, 104040665, 166465064, 208081330, 228889463, 332930128, 416162660, 457778926, 832325320, 915557852, 1144447315, 1664650640, 1831115704, 2288894630, 3662231408, 4577789260, 9155578520, 18311157040]

約数ペア:

[(1, 18311157040), (2, 9155578520), (4, 4577789260), (5, 3662231408), (8, 2288894630), (10, 1831115704), (11, 1664650640), (16, 1144447315), (20, 915557852), (22, 832325320), (40, 457778926), (44, 416162660), (55, 332930128), (80, 228889463), (88, 208081330), (110, 166465064), (176, 104040665), (220, 83232532), (440, 41616266), (880, 20808133), (887, 20643920), (1774, 10321960), (3548, 5160980), (4435, 4128784), (7096, 2580490), (8870, 2064392), (9757, 1876720), (14192, 1290245), (17740, 1032196), (19514, 938360), (23459, 780560), (35480, 516098), (39028, 469180), (46918, 390280), (48785, 375344), (70960, 258049), (78056, 234590), (93836, 195140), (97570, 187672), (117295, 156112)]