261933540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{109}}^1\times {\mathrm{331}}^1$

素因数の和:474

約数の個数: 144

約数和(自身を含む): 816002880

約数和(自身を除く): 554069340

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 109, 110, 121, 132, 165, 218, 220, 242, 327, 330, 331, 363, 436, 484, 545, 605, 654, 660, 662, 726, 993, 1090, 1199, 1210, 1308, 1324, 1452, 1635, 1655, 1815, 1986, 2180, 2398, 2420, 3270, 3310, 3597, 3630, 3641, 3972, 4796, 4965, 5995, 6540, 6620, 7194, 7260, 7282, 9930, 10923, 11990, 13189, 14388, 14564, 17985, 18205, 19860, 21846, 23980, 26378, 35970, 36079, 36410, 39567, 40051, 43692, 52756, 54615, 65945, 71940, 72158, 72820, 79134, 80102, 108237, 109230, 120153, 131890, 144316, 158268, 160204, 180395, 197835, 200255, 216474, 218460, 240306, 263780, 360790, 395670, 396869, 400510, 432948, 480612, 541185, 600765, 721580, 791340, 793738, 801020, 1082370, 1190607, 1201530, 1587476, 1984345, 2164740, 2381214, 2403060, 3968690, 4365559, 4762428, 5953035, 7937380, 8731118, 11906070, 13096677, 17462236, 21827795, 23812140, 26193354, 43655590, 52386708, 65483385, 87311180, 130966770, 261933540]

約数ペア:

[(1, 261933540), (2, 130966770), (3, 87311180), (4, 65483385), (5, 52386708), (6, 43655590), (10, 26193354), (11, 23812140), (12, 21827795), (15, 17462236), (20, 13096677), (22, 11906070), (30, 8731118), (33, 7937380), (44, 5953035), (55, 4762428), (60, 4365559), (66, 3968690), (109, 2403060), (110, 2381214), (121, 2164740), (132, 1984345), (165, 1587476), (218, 1201530), (220, 1190607), (242, 1082370), (327, 801020), (330, 793738), (331, 791340), (363, 721580), (436, 600765), (484, 541185), (545, 480612), (605, 432948), (654, 400510), (660, 396869), (662, 395670), (726, 360790), (993, 263780), (1090, 240306), (1199, 218460), (1210, 216474), (1308, 200255), (1324, 197835), (1452, 180395), (1635, 160204), (1655, 158268), (1815, 144316), (1986, 131890), (2180, 120153), (2398, 109230), (2420, 108237), (3270, 80102), (3310, 79134), (3597, 72820), (3630, 72158), (3641, 71940), (3972, 65945), (4796, 54615), (4965, 52756), (5995, 43692), (6540, 40051), (6620, 39567), (7194, 36410), (7260, 36079), (7282, 35970), (9930, 26378), (10923, 23980), (11990, 21846), (13189, 19860), (14388, 18205), (14564, 17985)]