72221380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2039}}^1$

素因数の和:2089

約数の個数: 96

約数和(自身を含む): 197406720

約数和(自身を除く): 125185340

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 23, 28, 35, 44, 46, 55, 70, 77, 92, 110, 115, 140, 154, 161, 220, 230, 253, 308, 322, 385, 460, 506, 644, 770, 805, 1012, 1265, 1540, 1610, 1771, 2039, 2530, 3220, 3542, 4078, 5060, 7084, 8156, 8855, 10195, 14273, 17710, 20390, 22429, 28546, 35420, 40780, 44858, 46897, 57092, 71365, 89716, 93794, 112145, 142730, 157003, 187588, 224290, 234485, 285460, 314006, 328279, 448580, 468970, 515867, 628012, 656558, 785015, 937940, 1031734, 1313116, 1570030, 1641395, 2063468, 2579335, 3140060, 3282790, 3611069, 5158670, 6565580, 7222138, 10317340, 14444276, 18055345, 36110690, 72221380]

約数ペア:

[(1, 72221380), (2, 36110690), (4, 18055345), (5, 14444276), (7, 10317340), (10, 7222138), (11, 6565580), (14, 5158670), (20, 3611069), (22, 3282790), (23, 3140060), (28, 2579335), (35, 2063468), (44, 1641395), (46, 1570030), (55, 1313116), (70, 1031734), (77, 937940), (92, 785015), (110, 656558), (115, 628012), (140, 515867), (154, 468970), (161, 448580), (220, 328279), (230, 314006), (253, 285460), (308, 234485), (322, 224290), (385, 187588), (460, 157003), (506, 142730), (644, 112145), (770, 93794), (805, 89716), (1012, 71365), (1265, 57092), (1540, 46897), (1610, 44858), (1771, 40780), (2039, 35420), (2530, 28546), (3220, 22429), (3542, 20390), (4078, 17710), (5060, 14273), (7084, 10195), (8156, 8855)]