90171720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{13183}}^1$

素因数の和:13219

約数の個数: 96

約数和(自身を含む): 308505600

約数和(自身を除く): 218333880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 285, 342, 360, 380, 456, 570, 684, 760, 855, 1140, 1368, 1710, 2280, 3420, 6840, 13183, 26366, 39549, 52732, 65915, 79098, 105464, 118647, 131830, 158196, 197745, 237294, 250477, 263660, 316392, 395490, 474588, 500954, 527320, 593235, 751431, 790980, 949176, 1001908, 1186470, 1252385, 1502862, 1581960, 2003816, 2254293, 2372940, 2504770, 3005724, 3757155, 4508586, 4745880, 5009540, 6011448, 7514310, 9017172, 10019080, 11271465, 15028620, 18034344, 22542930, 30057240, 45085860, 90171720]

約数ペア:

[(1, 90171720), (2, 45085860), (3, 30057240), (4, 22542930), (5, 18034344), (6, 15028620), (8, 11271465), (9, 10019080), (10, 9017172), (12, 7514310), (15, 6011448), (18, 5009540), (19, 4745880), (20, 4508586), (24, 3757155), (30, 3005724), (36, 2504770), (38, 2372940), (40, 2254293), (45, 2003816), (57, 1581960), (60, 1502862), (72, 1252385), (76, 1186470), (90, 1001908), (95, 949176), (114, 790980), (120, 751431), (152, 593235), (171, 527320), (180, 500954), (190, 474588), (228, 395490), (285, 316392), (342, 263660), (360, 250477), (380, 237294), (456, 197745), (570, 158196), (684, 131830), (760, 118647), (855, 105464), (1140, 79098), (1368, 65915), (1710, 52732), (2280, 39549), (3420, 26366), (6840, 13183)]