65579280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21019}}^1$

素因数の和:21048

約数の個数: 80

約数和(自身を含む): 218944320

約数和(自身を除く): 153365040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 21019, 42038, 63057, 84076, 105095, 126114, 168152, 210190, 252228, 273247, 315285, 336304, 420380, 504456, 546494, 630570, 819741, 840760, 1008912, 1092988, 1261140, 1366235, 1639482, 1681520, 2185976, 2522280, 2732470, 3278964, 4098705, 4371952, 5044560, 5464940, 6557928, 8197410, 10929880, 13115856, 16394820, 21859760, 32789640, 65579280]

約数ペア:

[(1, 65579280), (2, 32789640), (3, 21859760), (4, 16394820), (5, 13115856), (6, 10929880), (8, 8197410), (10, 6557928), (12, 5464940), (13, 5044560), (15, 4371952), (16, 4098705), (20, 3278964), (24, 2732470), (26, 2522280), (30, 2185976), (39, 1681520), (40, 1639482), (48, 1366235), (52, 1261140), (60, 1092988), (65, 1008912), (78, 840760), (80, 819741), (104, 630570), (120, 546494), (130, 504456), (156, 420380), (195, 336304), (208, 315285), (240, 273247), (260, 252228), (312, 210190), (390, 168152), (520, 126114), (624, 105095), (780, 84076), (1040, 63057), (1560, 42038), (3120, 21019)]