61816040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:243

約数の個数: 128

約数和(自身を含む): 166561920

約数和(自身を除く): 104745880

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 101, 104, 107, 110, 130, 143, 202, 214, 220, 260, 286, 404, 428, 440, 505, 520, 535, 572, 715, 808, 856, 1010, 1070, 1111, 1144, 1177, 1313, 1391, 1430, 2020, 2140, 2222, 2354, 2626, 2782, 2860, 4040, 4280, 4444, 4708, 5252, 5555, 5564, 5720, 5885, 6565, 6955, 8888, 9416, 10504, 10807, 11110, 11128, 11770, 13130, 13910, 14443, 15301, 21614, 22220, 23540, 26260, 27820, 28886, 30602, 43228, 44440, 47080, 52520, 54035, 55640, 57772, 61204, 72215, 76505, 86456, 108070, 115544, 118877, 122408, 140491, 144430, 153010, 216140, 237754, 280982, 288860, 306020, 432280, 475508, 561964, 577720, 594385, 612040, 702455, 951016, 1123928, 1188770, 1404910, 1545401, 2377540, 2809820, 3090802, 4755080, 5619640, 6181604, 7727005, 12363208, 15454010, 30908020, 61816040]

約数ペア:

[(1, 61816040), (2, 30908020), (4, 15454010), (5, 12363208), (8, 7727005), (10, 6181604), (11, 5619640), (13, 4755080), (20, 3090802), (22, 2809820), (26, 2377540), (40, 1545401), (44, 1404910), (52, 1188770), (55, 1123928), (65, 951016), (88, 702455), (101, 612040), (104, 594385), (107, 577720), (110, 561964), (130, 475508), (143, 432280), (202, 306020), (214, 288860), (220, 280982), (260, 237754), (286, 216140), (404, 153010), (428, 144430), (440, 140491), (505, 122408), (520, 118877), (535, 115544), (572, 108070), (715, 86456), (808, 76505), (856, 72215), (1010, 61204), (1070, 57772), (1111, 55640), (1144, 54035), (1177, 52520), (1313, 47080), (1391, 44440), (1430, 43228), (2020, 30602), (2140, 28886), (2222, 27820), (2354, 26260), (2626, 23540), (2782, 22220), (2860, 21614), (4040, 15301), (4280, 14443), (4444, 13910), (4708, 13130), (5252, 11770), (5555, 11128), (5564, 11110), (5720, 10807), (5885, 10504), (6565, 9416), (6955, 8888)]