285440960

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2089}}^1$

素因数の和:2174

約数の個数: 112

約数和(自身を含む): 789919680

約数和(自身を除く): 504478720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 61, 64, 70, 80, 112, 122, 140, 160, 224, 244, 280, 305, 320, 427, 448, 488, 560, 610, 854, 976, 1120, 1220, 1708, 1952, 2089, 2135, 2240, 2440, 3416, 3904, 4178, 4270, 4880, 6832, 8356, 8540, 9760, 10445, 13664, 14623, 16712, 17080, 19520, 20890, 27328, 29246, 33424, 34160, 41780, 58492, 66848, 68320, 73115, 83560, 116984, 127429, 133696, 136640, 146230, 167120, 233968, 254858, 292460, 334240, 467936, 509716, 584920, 637145, 668480, 892003, 935872, 1019432, 1169840, 1274290, 1784006, 2038864, 2339680, 2548580, 3568012, 4077728, 4460015, 4679360, 5097160, 7136024, 8155456, 8920030, 10194320, 14272048, 17840060, 20388640, 28544096, 35680120, 40777280, 57088192, 71360240, 142720480, 285440960]

約数ペア:

[(1, 285440960), (2, 142720480), (4, 71360240), (5, 57088192), (7, 40777280), (8, 35680120), (10, 28544096), (14, 20388640), (16, 17840060), (20, 14272048), (28, 10194320), (32, 8920030), (35, 8155456), (40, 7136024), (56, 5097160), (61, 4679360), (64, 4460015), (70, 4077728), (80, 3568012), (112, 2548580), (122, 2339680), (140, 2038864), (160, 1784006), (224, 1274290), (244, 1169840), (280, 1019432), (305, 935872), (320, 892003), (427, 668480), (448, 637145), (488, 584920), (560, 509716), (610, 467936), (854, 334240), (976, 292460), (1120, 254858), (1220, 233968), (1708, 167120), (1952, 146230), (2089, 136640), (2135, 133696), (2240, 127429), (2440, 116984), (3416, 83560), (3904, 73115), (4178, 68320), (4270, 66848), (4880, 58492), (6832, 41780), (8356, 34160), (8540, 33424), (9760, 29246), (10445, 27328), (13664, 20890), (14623, 19520), (16712, 17080)]