1298981320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{97}}^1\times {\mathrm{283}}^1$

素因数の和:424

約数の個数: 192

約数和(自身を含む): 3667144320

約数和(自身を除く): 2368163000

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 97, 104, 130, 140, 169, 182, 194, 260, 280, 283, 338, 364, 388, 455, 485, 520, 566, 676, 679, 728, 776, 845, 910, 970, 1132, 1183, 1261, 1352, 1358, 1415, 1690, 1820, 1940, 1981, 2264, 2366, 2522, 2716, 2830, 3380, 3395, 3640, 3679, 3880, 3962, 4732, 5044, 5432, 5660, 5915, 6305, 6760, 6790, 7358, 7924, 8827, 9464, 9905, 10088, 11320, 11830, 12610, 13580, 14716, 15848, 16393, 17654, 18395, 19810, 23660, 25220, 25753, 27160, 27451, 29432, 32786, 35308, 36790, 39620, 44135, 47320, 47827, 50440, 51506, 54902, 65572, 70616, 73580, 79240, 81965, 88270, 95654, 103012, 109804, 114751, 128765, 131144, 137255, 147160, 163930, 176540, 191308, 192157, 206024, 219608, 229502, 239135, 257530, 274510, 327860, 334789, 353080, 356863, 382616, 384314, 459004, 478270, 515060, 549020, 573755, 655720, 669578, 713726, 768628, 918008, 956540, 960785, 1030120, 1098040, 1147510, 1339156, 1427452, 1537256, 1673945, 1784315, 1913080, 1921570, 2295020, 2498041, 2678312, 2854904, 3347890, 3568630, 3843140, 4590040, 4639219, 4996082, 6695780, 7137260, 7686280, 9278438, 9992164, 12490205, 13391560, 14274520, 18556876, 19984328, 23196095, 24980410, 32474533, 37113752, 46392190, 49960820, 64949066, 92784380, 99921640, 129898132, 162372665, 185568760, 259796264, 324745330, 649490660, 1298981320]

約数ペア:

[(1, 1298981320), (2, 649490660), (4, 324745330), (5, 259796264), (7, 185568760), (8, 162372665), (10, 129898132), (13, 99921640), (14, 92784380), (20, 64949066), (26, 49960820), (28, 46392190), (35, 37113752), (40, 32474533), (52, 24980410), (56, 23196095), (65, 19984328), (70, 18556876), (91, 14274520), (97, 13391560), (104, 12490205), (130, 9992164), (140, 9278438), (169, 7686280), (182, 7137260), (194, 6695780), (260, 4996082), (280, 4639219), (283, 4590040), (338, 3843140), (364, 3568630), (388, 3347890), (455, 2854904), (485, 2678312), (520, 2498041), (566, 2295020), (676, 1921570), (679, 1913080), (728, 1784315), (776, 1673945), (845, 1537256), (910, 1427452), (970, 1339156), (1132, 1147510), (1183, 1098040), (1261, 1030120), (1352, 960785), (1358, 956540), (1415, 918008), (1690, 768628), (1820, 713726), (1940, 669578), (1981, 655720), (2264, 573755), (2366, 549020), (2522, 515060), (2716, 478270), (2830, 459004), (3380, 384314), (3395, 382616), (3640, 356863), (3679, 353080), (3880, 334789), (3962, 327860), (4732, 274510), (5044, 257530), (5432, 239135), (5660, 229502), (5915, 219608), (6305, 206024), (6760, 192157), (6790, 191308), (7358, 176540), (7924, 163930), (8827, 147160), (9464, 137255), (9905, 131144), (10088, 128765), (11320, 114751), (11830, 109804), (12610, 103012), (13580, 95654), (14716, 88270), (15848, 81965), (16393, 79240), (17654, 73580), (18395, 70616), (19810, 65572), (23660, 54902), (25220, 51506), (25753, 50440), (27160, 47827), (27451, 47320), (29432, 44135), (32786, 39620), (35308, 36790)]