128392680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{487}}^1$

素因数の和:540

約数の個数: 128

約数和(自身を含む): 418118400

約数和(自身を除く): 289725720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 169, 195, 260, 312, 338, 390, 487, 507, 520, 676, 780, 845, 974, 1014, 1352, 1461, 1560, 1690, 1948, 2028, 2197, 2435, 2535, 2922, 3380, 3896, 4056, 4394, 4870, 5070, 5844, 6331, 6591, 6760, 7305, 8788, 9740, 10140, 10985, 11688, 12662, 13182, 14610, 17576, 18993, 19480, 20280, 21970, 25324, 26364, 29220, 31655, 32955, 37986, 43940, 50648, 52728, 58440, 63310, 65910, 75972, 82303, 87880, 94965, 126620, 131820, 151944, 164606, 189930, 246909, 253240, 263640, 329212, 379860, 411515, 493818, 658424, 759720, 823030, 987636, 1069939, 1234545, 1646060, 1975272, 2139878, 2469090, 3209817, 3292120, 4279756, 4938180, 5349695, 6419634, 8559512, 9876360, 10699390, 12839268, 16049085, 21398780, 25678536, 32098170, 42797560, 64196340, 128392680]

約数ペア:

[(1, 128392680), (2, 64196340), (3, 42797560), (4, 32098170), (5, 25678536), (6, 21398780), (8, 16049085), (10, 12839268), (12, 10699390), (13, 9876360), (15, 8559512), (20, 6419634), (24, 5349695), (26, 4938180), (30, 4279756), (39, 3292120), (40, 3209817), (52, 2469090), (60, 2139878), (65, 1975272), (78, 1646060), (104, 1234545), (120, 1069939), (130, 987636), (156, 823030), (169, 759720), (195, 658424), (260, 493818), (312, 411515), (338, 379860), (390, 329212), (487, 263640), (507, 253240), (520, 246909), (676, 189930), (780, 164606), (845, 151944), (974, 131820), (1014, 126620), (1352, 94965), (1461, 87880), (1560, 82303), (1690, 75972), (1948, 65910), (2028, 63310), (2197, 58440), (2435, 52728), (2535, 50648), (2922, 43940), (3380, 37986), (3896, 32955), (4056, 31655), (4394, 29220), (4870, 26364), (5070, 25324), (5844, 21970), (6331, 20280), (6591, 19480), (6760, 18993), (7305, 17576), (8788, 14610), (9740, 13182), (10140, 12662), (10985, 11688)]