156426620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:344

約数の個数: 144

約数和(自身を含む): 416747520

約数和(自身を除く): 260320900

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 31, 35, 38, 49, 62, 70, 76, 95, 98, 124, 133, 140, 155, 190, 196, 217, 245, 266, 271, 310, 380, 434, 490, 532, 542, 589, 620, 665, 868, 931, 980, 1084, 1085, 1178, 1330, 1355, 1519, 1862, 1897, 2170, 2356, 2660, 2710, 2945, 3038, 3724, 3794, 4123, 4340, 4655, 5149, 5420, 5890, 6076, 7588, 7595, 8246, 8401, 9310, 9485, 10298, 11780, 13279, 15190, 16492, 16802, 18620, 18970, 20596, 20615, 25745, 26558, 28861, 30380, 33604, 36043, 37940, 41230, 42005, 51490, 53116, 57722, 58807, 66395, 72086, 82460, 84010, 102980, 115444, 117614, 132790, 144172, 144305, 159619, 168020, 180215, 235228, 252301, 265580, 288610, 294035, 319238, 360430, 411649, 504602, 577220, 588070, 638476, 720860, 798095, 823298, 1009204, 1117333, 1176140, 1261505, 1596190, 1646596, 2058245, 2234666, 2523010, 3192380, 4116490, 4469332, 5046020, 5586665, 7821331, 8232980, 11173330, 15642662, 22346660, 31285324, 39106655, 78213310, 156426620]

約数ペア:

[(1, 156426620), (2, 78213310), (4, 39106655), (5, 31285324), (7, 22346660), (10, 15642662), (14, 11173330), (19, 8232980), (20, 7821331), (28, 5586665), (31, 5046020), (35, 4469332), (38, 4116490), (49, 3192380), (62, 2523010), (70, 2234666), (76, 2058245), (95, 1646596), (98, 1596190), (124, 1261505), (133, 1176140), (140, 1117333), (155, 1009204), (190, 823298), (196, 798095), (217, 720860), (245, 638476), (266, 588070), (271, 577220), (310, 504602), (380, 411649), (434, 360430), (490, 319238), (532, 294035), (542, 288610), (589, 265580), (620, 252301), (665, 235228), (868, 180215), (931, 168020), (980, 159619), (1084, 144305), (1085, 144172), (1178, 132790), (1330, 117614), (1355, 115444), (1519, 102980), (1862, 84010), (1897, 82460), (2170, 72086), (2356, 66395), (2660, 58807), (2710, 57722), (2945, 53116), (3038, 51490), (3724, 42005), (3794, 41230), (4123, 37940), (4340, 36043), (4655, 33604), (5149, 30380), (5420, 28861), (5890, 26558), (6076, 25745), (7588, 20615), (7595, 20596), (8246, 18970), (8401, 18620), (9310, 16802), (9485, 16492), (10298, 15190), (11780, 13279)]