80641470

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{271}}^1$

素因数の和:410

約数の個数: 128

約数和(自身を含む): 241274880

約数和(自身を除く): 160633410

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 109, 130, 182, 195, 210, 218, 271, 273, 327, 390, 455, 542, 545, 546, 654, 763, 813, 910, 1090, 1355, 1365, 1417, 1526, 1626, 1635, 1897, 2289, 2710, 2730, 2834, 3270, 3523, 3794, 3815, 4065, 4251, 4578, 5691, 7046, 7085, 7630, 8130, 8502, 9485, 9919, 10569, 11382, 11445, 14170, 17615, 18970, 19838, 21138, 21255, 22890, 24661, 28455, 29539, 29757, 35230, 42510, 49322, 49595, 52845, 56910, 59078, 59514, 73983, 88617, 99190, 105690, 123305, 147695, 147966, 148785, 177234, 206773, 246610, 295390, 297570, 369915, 384007, 413546, 443085, 620319, 739830, 768014, 886170, 1033865, 1152021, 1240638, 1920035, 2067730, 2304042, 2688049, 3101595, 3840070, 5376098, 5760105, 6203190, 8064147, 11520210, 13440245, 16128294, 26880490, 40320735, 80641470]

約数ペア:

[(1, 80641470), (2, 40320735), (3, 26880490), (5, 16128294), (6, 13440245), (7, 11520210), (10, 8064147), (13, 6203190), (14, 5760105), (15, 5376098), (21, 3840070), (26, 3101595), (30, 2688049), (35, 2304042), (39, 2067730), (42, 1920035), (65, 1240638), (70, 1152021), (78, 1033865), (91, 886170), (105, 768014), (109, 739830), (130, 620319), (182, 443085), (195, 413546), (210, 384007), (218, 369915), (271, 297570), (273, 295390), (327, 246610), (390, 206773), (455, 177234), (542, 148785), (545, 147966), (546, 147695), (654, 123305), (763, 105690), (813, 99190), (910, 88617), (1090, 73983), (1355, 59514), (1365, 59078), (1417, 56910), (1526, 52845), (1626, 49595), (1635, 49322), (1897, 42510), (2289, 35230), (2710, 29757), (2730, 29539), (2834, 28455), (3270, 24661), (3523, 22890), (3794, 21255), (3815, 21138), (4065, 19838), (4251, 18970), (4578, 17615), (5691, 14170), (7046, 11445), (7085, 11382), (7630, 10569), (8130, 9919), (8502, 9485)]