265141240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3167}}^1$

素因数の和:3221

約数の個数: 128

約数和(自身を含む): 766402560

約数和(自身を除く): 501261320

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 23, 26, 28, 35, 40, 46, 52, 56, 65, 70, 91, 92, 104, 115, 130, 140, 161, 182, 184, 230, 260, 280, 299, 322, 364, 455, 460, 520, 598, 644, 728, 805, 910, 920, 1196, 1288, 1495, 1610, 1820, 2093, 2392, 2990, 3167, 3220, 3640, 4186, 5980, 6334, 6440, 8372, 10465, 11960, 12668, 15835, 16744, 20930, 22169, 25336, 31670, 41171, 41860, 44338, 63340, 72841, 82342, 83720, 88676, 110845, 126680, 145682, 164684, 177352, 205855, 221690, 288197, 291364, 329368, 364205, 411710, 443380, 509887, 576394, 582728, 728410, 823420, 886760, 946933, 1019774, 1152788, 1440985, 1456820, 1646840, 1893866, 2039548, 2305576, 2549435, 2881970, 2913640, 3787732, 4079096, 4734665, 5098870, 5763940, 6628531, 7575464, 9469330, 10197740, 11527880, 13257062, 18938660, 20395480, 26514124, 33142655, 37877320, 53028248, 66285310, 132570620, 265141240]

約数ペア:

[(1, 265141240), (2, 132570620), (4, 66285310), (5, 53028248), (7, 37877320), (8, 33142655), (10, 26514124), (13, 20395480), (14, 18938660), (20, 13257062), (23, 11527880), (26, 10197740), (28, 9469330), (35, 7575464), (40, 6628531), (46, 5763940), (52, 5098870), (56, 4734665), (65, 4079096), (70, 3787732), (91, 2913640), (92, 2881970), (104, 2549435), (115, 2305576), (130, 2039548), (140, 1893866), (161, 1646840), (182, 1456820), (184, 1440985), (230, 1152788), (260, 1019774), (280, 946933), (299, 886760), (322, 823420), (364, 728410), (455, 582728), (460, 576394), (520, 509887), (598, 443380), (644, 411710), (728, 364205), (805, 329368), (910, 291364), (920, 288197), (1196, 221690), (1288, 205855), (1495, 177352), (1610, 164684), (1820, 145682), (2093, 126680), (2392, 110845), (2990, 88676), (3167, 83720), (3220, 82342), (3640, 72841), (4186, 63340), (5980, 44338), (6334, 41860), (6440, 41171), (8372, 31670), (10465, 25336), (11960, 22169), (12668, 20930), (15835, 16744)]