81133990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1151}}^1$

素因数の和:1237

約数の個数: 64

約数和(自身を含む): 179159040

約数和(自身を除く): 98025050

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 53, 70, 95, 106, 133, 190, 265, 266, 371, 530, 665, 742, 1007, 1151, 1330, 1855, 2014, 2302, 3710, 5035, 5755, 7049, 8057, 10070, 11510, 14098, 16114, 21869, 35245, 40285, 43738, 61003, 70490, 80570, 109345, 122006, 153083, 218690, 305015, 306166, 427021, 610030, 765415, 854042, 1159057, 1530830, 2135105, 2318114, 4270210, 5795285, 8113399, 11590570, 16226798, 40566995, 81133990]

約数ペア:

[(1, 81133990), (2, 40566995), (5, 16226798), (7, 11590570), (10, 8113399), (14, 5795285), (19, 4270210), (35, 2318114), (38, 2135105), (53, 1530830), (70, 1159057), (95, 854042), (106, 765415), (133, 610030), (190, 427021), (265, 306166), (266, 305015), (371, 218690), (530, 153083), (665, 122006), (742, 109345), (1007, 80570), (1151, 70490), (1330, 61003), (1855, 43738), (2014, 40285), (2302, 35245), (3710, 21869), (5035, 16114), (5755, 14098), (7049, 11510), (8057, 10070)]