78452920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3079}}^1$

素因数の和:3117

約数の個数: 96

約数和(自身を含む): 221205600

約数和(自身を除く): 142752680

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 91, 98, 104, 130, 140, 182, 196, 245, 260, 280, 364, 392, 455, 490, 520, 637, 728, 910, 980, 1274, 1820, 1960, 2548, 3079, 3185, 3640, 5096, 6158, 6370, 12316, 12740, 15395, 21553, 24632, 25480, 30790, 40027, 43106, 61580, 80054, 86212, 107765, 123160, 150871, 160108, 172424, 200135, 215530, 280189, 301742, 320216, 400270, 431060, 560378, 603484, 754355, 800540, 862120, 1120756, 1206968, 1400945, 1508710, 1601080, 1961323, 2241512, 2801890, 3017420, 3922646, 5603780, 6034840, 7845292, 9806615, 11207560, 15690584, 19613230, 39226460, 78452920]

約数ペア:

[(1, 78452920), (2, 39226460), (4, 19613230), (5, 15690584), (7, 11207560), (8, 9806615), (10, 7845292), (13, 6034840), (14, 5603780), (20, 3922646), (26, 3017420), (28, 2801890), (35, 2241512), (40, 1961323), (49, 1601080), (52, 1508710), (56, 1400945), (65, 1206968), (70, 1120756), (91, 862120), (98, 800540), (104, 754355), (130, 603484), (140, 560378), (182, 431060), (196, 400270), (245, 320216), (260, 301742), (280, 280189), (364, 215530), (392, 200135), (455, 172424), (490, 160108), (520, 150871), (637, 123160), (728, 107765), (910, 86212), (980, 80054), (1274, 61580), (1820, 43106), (1960, 40027), (2548, 30790), (3079, 25480), (3185, 24632), (3640, 21553), (5096, 15395), (6158, 12740), (6370, 12316)]