71729580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{91961}}^1$

素因数の和:91986

約数の個数: 48

約数和(自身を含む): 216294624

約数和(自身を除く): 144565044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 91961, 183922, 275883, 367844, 459805, 551766, 919610, 1103532, 1195493, 1379415, 1839220, 2390986, 2758830, 3586479, 4781972, 5517660, 5977465, 7172958, 11954930, 14345916, 17932395, 23909860, 35864790, 71729580]

約数ペア:

[(1, 71729580), (2, 35864790), (3, 23909860), (4, 17932395), (5, 14345916), (6, 11954930), (10, 7172958), (12, 5977465), (13, 5517660), (15, 4781972), (20, 3586479), (26, 2758830), (30, 2390986), (39, 1839220), (52, 1379415), (60, 1195493), (65, 1103532), (78, 919610), (130, 551766), (156, 459805), (195, 367844), (260, 275883), (390, 183922), (780, 91961)]