31348980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13397}}^1$

素因数の和:13425

約数の個数: 72

約数和(自身を含む): 102414312

約数和(自身を除く): 71065332

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, 13397, 26794, 40191, 53588, 66985, 80382, 120573, 133970, 160764, 174161, 200955, 241146, 267940, 348322, 401910, 482292, 522483, 602865, 696644, 803820, 870805, 1044966, 1205730, 1567449, 1741610, 2089932, 2411460, 2612415, 3134898, 3483220, 5224830, 6269796, 7837245, 10449660, 15674490, 31348980]

約数ペア:

[(1, 31348980), (2, 15674490), (3, 10449660), (4, 7837245), (5, 6269796), (6, 5224830), (9, 3483220), (10, 3134898), (12, 2612415), (13, 2411460), (15, 2089932), (18, 1741610), (20, 1567449), (26, 1205730), (30, 1044966), (36, 870805), (39, 803820), (45, 696644), (52, 602865), (60, 522483), (65, 482292), (78, 401910), (90, 348322), (117, 267940), (130, 241146), (156, 200955), (180, 174161), (195, 160764), (234, 133970), (260, 120573), (390, 80382), (468, 66985), (585, 53588), (780, 40191), (1170, 26794), (2340, 13397)]