649820820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:227

約数の個数: 192

約数和(自身を含む): 2046320640

約数和(自身を除く): 1396499820

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 79, 103, 110, 121, 132, 158, 165, 206, 220, 237, 242, 309, 316, 330, 363, 395, 412, 474, 484, 515, 605, 618, 660, 726, 790, 869, 948, 1030, 1133, 1185, 1210, 1236, 1331, 1452, 1545, 1580, 1738, 1815, 2060, 2266, 2370, 2420, 2607, 2662, 3090, 3399, 3476, 3630, 3993, 4345, 4532, 4740, 5214, 5324, 5665, 6180, 6655, 6798, 7260, 7986, 8137, 8690, 9559, 10428, 11330, 12463, 13035, 13310, 13596, 15972, 16274, 16995, 17380, 19118, 19965, 22660, 24411, 24926, 26070, 26620, 28677, 32548, 33990, 37389, 38236, 39930, 40685, 47795, 48822, 49852, 52140, 57354, 62315, 67980, 74778, 79860, 81370, 89507, 95590, 97644, 105149, 114708, 122055, 124630, 137093, 143385, 149556, 162740, 179014, 186945, 191180, 210298, 244110, 249260, 268521, 274186, 286770, 315447, 358028, 373890, 411279, 420596, 447535, 488220, 525745, 537042, 548372, 573540, 630894, 685465, 747780, 822558, 895070, 984577, 1051490, 1074084, 1261788, 1342605, 1370930, 1577235, 1645116, 1790140, 1969154, 2056395, 2102980, 2685210, 2741860, 2953731, 3154470, 3938308, 4112790, 4922885, 5370420, 5907462, 6308940, 8225580, 9845770, 10830347, 11814924, 14768655, 19691540, 21660694, 29537310, 32491041, 43321388, 54151735, 59074620, 64982082, 108303470, 129964164, 162455205, 216606940, 324910410, 649820820]

約数ペア:

[(1, 649820820), (2, 324910410), (3, 216606940), (4, 162455205), (5, 129964164), (6, 108303470), (10, 64982082), (11, 59074620), (12, 54151735), (15, 43321388), (20, 32491041), (22, 29537310), (30, 21660694), (33, 19691540), (44, 14768655), (55, 11814924), (60, 10830347), (66, 9845770), (79, 8225580), (103, 6308940), (110, 5907462), (121, 5370420), (132, 4922885), (158, 4112790), (165, 3938308), (206, 3154470), (220, 2953731), (237, 2741860), (242, 2685210), (309, 2102980), (316, 2056395), (330, 1969154), (363, 1790140), (395, 1645116), (412, 1577235), (474, 1370930), (484, 1342605), (515, 1261788), (605, 1074084), (618, 1051490), (660, 984577), (726, 895070), (790, 822558), (869, 747780), (948, 685465), (1030, 630894), (1133, 573540), (1185, 548372), (1210, 537042), (1236, 525745), (1331, 488220), (1452, 447535), (1545, 420596), (1580, 411279), (1738, 373890), (1815, 358028), (2060, 315447), (2266, 286770), (2370, 274186), (2420, 268521), (2607, 249260), (2662, 244110), (3090, 210298), (3399, 191180), (3476, 186945), (3630, 179014), (3993, 162740), (4345, 149556), (4532, 143385), (4740, 137093), (5214, 124630), (5324, 122055), (5665, 114708), (6180, 105149), (6655, 97644), (6798, 95590), (7260, 89507), (7986, 81370), (8137, 79860), (8690, 74778), (9559, 67980), (10428, 62315), (11330, 57354), (12463, 52140), (13035, 49852), (13310, 48822), (13596, 47795), (15972, 40685), (16274, 39930), (16995, 38236), (17380, 37389), (19118, 33990), (19965, 32548), (22660, 28677), (24411, 26620), (24926, 26070)]