1685611720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{991}}^1\times {\mathrm{3271}}^1$

素因数の和:4286

約数の個数: 64

約数和(自身を含む): 4089738240

約数和(自身を除く): 2404126520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 991, 1982, 3271, 3964, 4955, 6542, 7928, 9910, 12883, 13084, 16355, 19820, 25766, 26168, 32710, 39640, 42523, 51532, 64415, 65420, 85046, 103064, 128830, 130840, 170092, 212615, 257660, 340184, 425230, 515320, 850460, 1700920, 3241561, 6483122, 12966244, 16207805, 25932488, 32415610, 42140293, 64831220, 84280586, 129662440, 168561172, 210701465, 337122344, 421402930, 842805860, 1685611720]

約数ペア:

[(1, 1685611720), (2, 842805860), (4, 421402930), (5, 337122344), (8, 210701465), (10, 168561172), (13, 129662440), (20, 84280586), (26, 64831220), (40, 42140293), (52, 32415610), (65, 25932488), (104, 16207805), (130, 12966244), (260, 6483122), (520, 3241561), (991, 1700920), (1982, 850460), (3271, 515320), (3964, 425230), (4955, 340184), (6542, 257660), (7928, 212615), (9910, 170092), (12883, 130840), (13084, 128830), (16355, 103064), (19820, 85046), (25766, 65420), (26168, 64415), (32710, 51532), (39640, 42523)]