128499390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{2699}}^1$

素因数の和:2758

約数の個数: 72

約数和(自身を含む): 349385400

約数和(自身を除く): 220886010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 414, 529, 690, 1035, 1058, 1587, 2070, 2645, 2699, 3174, 4761, 5290, 5398, 7935, 8097, 9522, 13495, 15870, 16194, 23805, 24291, 26990, 40485, 47610, 48582, 62077, 80970, 121455, 124154, 186231, 242910, 310385, 372462, 558693, 620770, 931155, 1117386, 1427771, 1862310, 2793465, 2855542, 4283313, 5586930, 7138855, 8566626, 12849939, 14277710, 21416565, 25699878, 42833130, 64249695, 128499390]

約数ペア:

[(1, 128499390), (2, 64249695), (3, 42833130), (5, 25699878), (6, 21416565), (9, 14277710), (10, 12849939), (15, 8566626), (18, 7138855), (23, 5586930), (30, 4283313), (45, 2855542), (46, 2793465), (69, 1862310), (90, 1427771), (115, 1117386), (138, 931155), (207, 620770), (230, 558693), (345, 372462), (414, 310385), (529, 242910), (690, 186231), (1035, 124154), (1058, 121455), (1587, 80970), (2070, 62077), (2645, 48582), (2699, 47610), (3174, 40485), (4761, 26990), (5290, 24291), (5398, 23805), (7935, 16194), (8097, 15870), (9522, 13495)]