261455220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{111733}}^1$

素因数の和:111761

約数の個数: 72

約数和(自身を含む): 854094696

約数和(自身を除く): 592639476

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, 111733, 223466, 335199, 446932, 558665, 670398, 1005597, 1117330, 1340796, 1452529, 1675995, 2011194, 2234660, 2905058, 3351990, 4022388, 4357587, 5027985, 5810116, 6703980, 7262645, 8715174, 10055970, 13072761, 14525290, 17430348, 20111940, 21787935, 26145522, 29050580, 43575870, 52291044, 65363805, 87151740, 130727610, 261455220]

約数ペア:

[(1, 261455220), (2, 130727610), (3, 87151740), (4, 65363805), (5, 52291044), (6, 43575870), (9, 29050580), (10, 26145522), (12, 21787935), (13, 20111940), (15, 17430348), (18, 14525290), (20, 13072761), (26, 10055970), (30, 8715174), (36, 7262645), (39, 6703980), (45, 5810116), (52, 5027985), (60, 4357587), (65, 4022388), (78, 3351990), (90, 2905058), (117, 2234660), (130, 2011194), (156, 1675995), (180, 1452529), (195, 1340796), (234, 1117330), (260, 1005597), (390, 670398), (468, 558665), (585, 446932), (780, 335199), (1170, 223466), (2340, 111733)]