261313650

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2351}}^1$

素因数の和:2401

約数の個数: 144

約数和(自身を含む): 796199040

約数和(自身を除く): 534885390

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 19, 25, 26, 30, 38, 39, 45, 50, 57, 65, 75, 78, 90, 95, 114, 117, 130, 150, 171, 190, 195, 225, 234, 247, 285, 325, 342, 390, 450, 475, 494, 570, 585, 650, 741, 855, 950, 975, 1170, 1235, 1425, 1482, 1710, 1950, 2223, 2351, 2470, 2850, 2925, 3705, 4275, 4446, 4702, 5850, 6175, 7053, 7410, 8550, 11115, 11755, 12350, 14106, 18525, 21159, 22230, 23510, 30563, 35265, 37050, 42318, 44669, 55575, 58775, 61126, 70530, 89338, 91689, 105795, 111150, 117550, 134007, 152815, 176325, 183378, 211590, 223345, 268014, 275067, 305630, 352650, 402021, 446690, 458445, 528975, 550134, 580697, 670035, 764075, 804042, 916890, 1057950, 1116725, 1161394, 1340070, 1375335, 1528150, 1742091, 2010105, 2233450, 2292225, 2750670, 2903485, 3350175, 3484182, 4020210, 4584450, 5226273, 5806970, 6700350, 6876675, 8710455, 10050525, 10452546, 13753350, 14517425, 17420910, 20101050, 26131365, 29034850, 43552275, 52262730, 87104550, 130656825, 261313650]

約数ペア:

[(1, 261313650), (2, 130656825), (3, 87104550), (5, 52262730), (6, 43552275), (9, 29034850), (10, 26131365), (13, 20101050), (15, 17420910), (18, 14517425), (19, 13753350), (25, 10452546), (26, 10050525), (30, 8710455), (38, 6876675), (39, 6700350), (45, 5806970), (50, 5226273), (57, 4584450), (65, 4020210), (75, 3484182), (78, 3350175), (90, 2903485), (95, 2750670), (114, 2292225), (117, 2233450), (130, 2010105), (150, 1742091), (171, 1528150), (190, 1375335), (195, 1340070), (225, 1161394), (234, 1116725), (247, 1057950), (285, 916890), (325, 804042), (342, 764075), (390, 670035), (450, 580697), (475, 550134), (494, 528975), (570, 458445), (585, 446690), (650, 402021), (741, 352650), (855, 305630), (950, 275067), (975, 268014), (1170, 223345), (1235, 211590), (1425, 183378), (1482, 176325), (1710, 152815), (1950, 134007), (2223, 117550), (2351, 111150), (2470, 105795), (2850, 91689), (2925, 89338), (3705, 70530), (4275, 61126), (4446, 58775), (4702, 55575), (5850, 44669), (6175, 42318), (7053, 37050), (7410, 35265), (8550, 30563), (11115, 23510), (11755, 22230), (12350, 21159), (14106, 18525)]