307154820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{761}}^1$

素因数の和:842

約数の個数: 144

約数和(自身を含む): 1016959104

約数和(自身を除く): 709804284

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 210, 217, 310, 372, 420, 434, 465, 620, 651, 761, 868, 930, 961, 1085, 1302, 1522, 1860, 1922, 2170, 2283, 2604, 2883, 3044, 3255, 3805, 3844, 4340, 4566, 4805, 5327, 5766, 6510, 6727, 7610, 9132, 9610, 10654, 11415, 11532, 13020, 13454, 14415, 15220, 15981, 19220, 20181, 21308, 22830, 23591, 26635, 26908, 28830, 31962, 33635, 40362, 45660, 47182, 53270, 57660, 63924, 67270, 70773, 79905, 80724, 94364, 100905, 106540, 117955, 134540, 141546, 159810, 165137, 201810, 235910, 283092, 319620, 330274, 353865, 403620, 471820, 495411, 660548, 707730, 731321, 825685, 990822, 1415460, 1462642, 1651370, 1981644, 2193963, 2477055, 2925284, 3302740, 3656605, 4387926, 4954110, 5119247, 7313210, 8775852, 9908220, 10238494, 10969815, 14626420, 15357741, 20476988, 21939630, 25596235, 30715482, 43879260, 51192470, 61430964, 76788705, 102384940, 153577410, 307154820]

約数ペア:

[(1, 307154820), (2, 153577410), (3, 102384940), (4, 76788705), (5, 61430964), (6, 51192470), (7, 43879260), (10, 30715482), (12, 25596235), (14, 21939630), (15, 20476988), (20, 15357741), (21, 14626420), (28, 10969815), (30, 10238494), (31, 9908220), (35, 8775852), (42, 7313210), (60, 5119247), (62, 4954110), (70, 4387926), (84, 3656605), (93, 3302740), (105, 2925284), (124, 2477055), (140, 2193963), (155, 1981644), (186, 1651370), (210, 1462642), (217, 1415460), (310, 990822), (372, 825685), (420, 731321), (434, 707730), (465, 660548), (620, 495411), (651, 471820), (761, 403620), (868, 353865), (930, 330274), (961, 319620), (1085, 283092), (1302, 235910), (1522, 201810), (1860, 165137), (1922, 159810), (2170, 141546), (2283, 134540), (2604, 117955), (2883, 106540), (3044, 100905), (3255, 94364), (3805, 80724), (3844, 79905), (4340, 70773), (4566, 67270), (4805, 63924), (5327, 57660), (5766, 53270), (6510, 47182), (6727, 45660), (7610, 40362), (9132, 33635), (9610, 31962), (10654, 28830), (11415, 26908), (11532, 26635), (13020, 23591), (13454, 22830), (14415, 21308), (15220, 20181), (15981, 19220)]