261750240

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{2713}}^1$

素因数の和:2801

約数の個数: 144

約数和(自身を含む): 906888528

約数和(自身を除く): 645138288

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 67, 72, 80, 90, 96, 120, 134, 144, 160, 180, 201, 240, 268, 288, 335, 360, 402, 480, 536, 603, 670, 720, 804, 1005, 1072, 1206, 1340, 1440, 1608, 2010, 2144, 2412, 2680, 2713, 3015, 3216, 4020, 4824, 5360, 5426, 6030, 6432, 8040, 8139, 9648, 10720, 10852, 12060, 13565, 16080, 16278, 19296, 21704, 24120, 24417, 27130, 32160, 32556, 40695, 43408, 48240, 48834, 54260, 65112, 81390, 86816, 96480, 97668, 108520, 122085, 130224, 162780, 181771, 195336, 217040, 244170, 260448, 325560, 363542, 390672, 434080, 488340, 545313, 651120, 727084, 781344, 908855, 976680, 1090626, 1302240, 1454168, 1635939, 1817710, 1953360, 2181252, 2726565, 2908336, 3271878, 3635420, 3906720, 4362504, 5453130, 5816672, 6543756, 7270840, 8179695, 8725008, 10906260, 13087512, 14541680, 16359390, 17450016, 21812520, 26175024, 29083360, 32718780, 43625040, 52350048, 65437560, 87250080, 130875120, 261750240]

約数ペア:

[(1, 261750240), (2, 130875120), (3, 87250080), (4, 65437560), (5, 52350048), (6, 43625040), (8, 32718780), (9, 29083360), (10, 26175024), (12, 21812520), (15, 17450016), (16, 16359390), (18, 14541680), (20, 13087512), (24, 10906260), (30, 8725008), (32, 8179695), (36, 7270840), (40, 6543756), (45, 5816672), (48, 5453130), (60, 4362504), (67, 3906720), (72, 3635420), (80, 3271878), (90, 2908336), (96, 2726565), (120, 2181252), (134, 1953360), (144, 1817710), (160, 1635939), (180, 1454168), (201, 1302240), (240, 1090626), (268, 976680), (288, 908855), (335, 781344), (360, 727084), (402, 651120), (480, 545313), (536, 488340), (603, 434080), (670, 390672), (720, 363542), (804, 325560), (1005, 260448), (1072, 244170), (1206, 217040), (1340, 195336), (1440, 181771), (1608, 162780), (2010, 130224), (2144, 122085), (2412, 108520), (2680, 97668), (2713, 96480), (3015, 86816), (3216, 81390), (4020, 65112), (4824, 54260), (5360, 48834), (5426, 48240), (6030, 43408), (6432, 40695), (8040, 32556), (8139, 32160), (9648, 27130), (10720, 24417), (10852, 24120), (12060, 21704), (13565, 19296), (16080, 16278)]