12511980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5347}}^1$

素因数の和:5375

約数の個数: 72

約数和(自身を含む): 40880112

約数和(自身を除く): 28368132

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 5347, 10694, 16041, 21388, 26735, 32082, 48123, 53470, 64164, 69511, 80205, 96246, 106940, 139022, 160410, 192492, 208533, 240615, 278044, 320820, 347555, 417066, 481230, 625599, 695110, 834132, 962460, 1042665, 1251198, 1390220, 2085330, 2502396, 3127995, 4170660, 6255990, 12511980]

約数ペア:

[(1, 12511980), (2, 6255990), (3, 4170660), (4, 3127995), (5, 2502396), (6, 2085330), (9, 1390220), (10, 1251198), (12, 1042665), (13, 962460), (15, 834132), (18, 695110), (20, 625599), (26, 481230), (30, 417066), (36, 347555), (39, 320820), (45, 278044), (52, 240615), (60, 208533), (65, 192492), (78, 160410), (90, 139022), (117, 106940), (130, 96246), (156, 80205), (180, 69511), (195, 64164), (234, 53470), (260, 48123), (390, 32082), (468, 26735), (585, 21388), (780, 16041), (1170, 10694), (2340, 5347)]