681632016

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{547}}^1\times {\mathrm{1997}}^1$

素因数の和:2568

約数の個数: 80

約数和(自身を含む): 1900753344

約数和(自身を除く): 1219121328

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 547, 624, 1094, 1641, 1997, 2188, 3282, 3994, 4376, 5991, 6564, 7111, 7988, 8752, 11982, 13128, 14222, 15976, 21333, 23964, 25961, 26256, 28444, 31952, 42666, 47928, 51922, 56888, 77883, 85332, 95856, 103844, 113776, 155766, 170664, 207688, 311532, 341328, 415376, 623064, 1092359, 1246128, 2184718, 3277077, 4369436, 6554154, 8738872, 13108308, 14200667, 17477744, 26216616, 28401334, 42602001, 52433232, 56802668, 85204002, 113605336, 170408004, 227210672, 340816008, 681632016]

約数ペア:

[(1, 681632016), (2, 340816008), (3, 227210672), (4, 170408004), (6, 113605336), (8, 85204002), (12, 56802668), (13, 52433232), (16, 42602001), (24, 28401334), (26, 26216616), (39, 17477744), (48, 14200667), (52, 13108308), (78, 8738872), (104, 6554154), (156, 4369436), (208, 3277077), (312, 2184718), (547, 1246128), (624, 1092359), (1094, 623064), (1641, 415376), (1997, 341328), (2188, 311532), (3282, 207688), (3994, 170664), (4376, 155766), (5991, 113776), (6564, 103844), (7111, 95856), (7988, 85332), (8752, 77883), (11982, 56888), (13128, 51922), (14222, 47928), (15976, 42666), (21333, 31952), (23964, 28444), (25961, 26256)]