204945960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1489}}^1$

素因数の和:1571

約数の個数: 128

約数和(自身を含む): 652262400

約数和(自身を除く): 447316440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 37, 40, 60, 62, 74, 93, 111, 120, 124, 148, 155, 185, 186, 222, 248, 296, 310, 370, 372, 444, 465, 555, 620, 740, 744, 888, 930, 1110, 1147, 1240, 1480, 1489, 1860, 2220, 2294, 2978, 3441, 3720, 4440, 4467, 4588, 5735, 5956, 6882, 7445, 8934, 9176, 11470, 11912, 13764, 14890, 17205, 17868, 22335, 22940, 27528, 29780, 34410, 35736, 44670, 45880, 46159, 55093, 59560, 68820, 89340, 92318, 110186, 137640, 138477, 165279, 178680, 184636, 220372, 230795, 275465, 276954, 330558, 369272, 440744, 461590, 550930, 553908, 661116, 692385, 826395, 923180, 1101860, 1107816, 1322232, 1384770, 1652790, 1707883, 1846360, 2203720, 2769540, 3305580, 3415766, 5123649, 5539080, 6611160, 6831532, 8539415, 10247298, 13663064, 17078830, 20494596, 25618245, 34157660, 40989192, 51236490, 68315320, 102472980, 204945960]

約数ペア:

[(1, 204945960), (2, 102472980), (3, 68315320), (4, 51236490), (5, 40989192), (6, 34157660), (8, 25618245), (10, 20494596), (12, 17078830), (15, 13663064), (20, 10247298), (24, 8539415), (30, 6831532), (31, 6611160), (37, 5539080), (40, 5123649), (60, 3415766), (62, 3305580), (74, 2769540), (93, 2203720), (111, 1846360), (120, 1707883), (124, 1652790), (148, 1384770), (155, 1322232), (185, 1107816), (186, 1101860), (222, 923180), (248, 826395), (296, 692385), (310, 661116), (370, 553908), (372, 550930), (444, 461590), (465, 440744), (555, 369272), (620, 330558), (740, 276954), (744, 275465), (888, 230795), (930, 220372), (1110, 184636), (1147, 178680), (1240, 165279), (1480, 138477), (1489, 137640), (1860, 110186), (2220, 92318), (2294, 89340), (2978, 68820), (3441, 59560), (3720, 55093), (4440, 46159), (4467, 45880), (4588, 44670), (5735, 35736), (5956, 34410), (6882, 29780), (7445, 27528), (8934, 22940), (9176, 22335), (11470, 17868), (11912, 17205), (13764, 14890)]