257573160

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1171}}^1$

素因数の和:1248

約数の個数: 192

約数和(自身を含む): 921473280

約数和(自身を除く): 663900120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 47, 52, 60, 65, 72, 78, 90, 94, 104, 117, 120, 130, 141, 156, 180, 188, 195, 234, 235, 260, 282, 312, 360, 376, 390, 423, 468, 470, 520, 564, 585, 611, 705, 780, 846, 936, 940, 1128, 1170, 1171, 1222, 1410, 1560, 1692, 1833, 1880, 2115, 2340, 2342, 2444, 2820, 3055, 3384, 3513, 3666, 4230, 4680, 4684, 4888, 5499, 5640, 5855, 6110, 7026, 7332, 8460, 9165, 9368, 10539, 10998, 11710, 12220, 14052, 14664, 15223, 16920, 17565, 18330, 21078, 21996, 23420, 24440, 27495, 28104, 30446, 35130, 36660, 42156, 43992, 45669, 46840, 52695, 54990, 55037, 60892, 70260, 73320, 76115, 84312, 91338, 105390, 109980, 110074, 121784, 137007, 140520, 152230, 165111, 182676, 210780, 219960, 220148, 228345, 274014, 275185, 304460, 330222, 365352, 421560, 440296, 456690, 495333, 548028, 550370, 608920, 660444, 685035, 715481, 825555, 913380, 990666, 1096056, 1100740, 1320888, 1370070, 1430962, 1651110, 1826760, 1981332, 2146443, 2201480, 2476665, 2740140, 2861924, 3302220, 3577405, 3962664, 4292886, 4953330, 5480280, 5723848, 6439329, 6604440, 7154810, 8585772, 9906660, 10732215, 12878658, 14309620, 17171544, 19813320, 21464430, 25757316, 28619240, 32196645, 42928860, 51514632, 64393290, 85857720, 128786580, 257573160]

約数ペア:

[(1, 257573160), (2, 128786580), (3, 85857720), (4, 64393290), (5, 51514632), (6, 42928860), (8, 32196645), (9, 28619240), (10, 25757316), (12, 21464430), (13, 19813320), (15, 17171544), (18, 14309620), (20, 12878658), (24, 10732215), (26, 9906660), (30, 8585772), (36, 7154810), (39, 6604440), (40, 6439329), (45, 5723848), (47, 5480280), (52, 4953330), (60, 4292886), (65, 3962664), (72, 3577405), (78, 3302220), (90, 2861924), (94, 2740140), (104, 2476665), (117, 2201480), (120, 2146443), (130, 1981332), (141, 1826760), (156, 1651110), (180, 1430962), (188, 1370070), (195, 1320888), (234, 1100740), (235, 1096056), (260, 990666), (282, 913380), (312, 825555), (360, 715481), (376, 685035), (390, 660444), (423, 608920), (468, 550370), (470, 548028), (520, 495333), (564, 456690), (585, 440296), (611, 421560), (705, 365352), (780, 330222), (846, 304460), (936, 275185), (940, 274014), (1128, 228345), (1170, 220148), (1171, 219960), (1222, 210780), (1410, 182676), (1560, 165111), (1692, 152230), (1833, 140520), (1880, 137007), (2115, 121784), (2340, 110074), (2342, 109980), (2444, 105390), (2820, 91338), (3055, 84312), (3384, 76115), (3513, 73320), (3666, 70260), (4230, 60892), (4680, 55037), (4684, 54990), (4888, 52695), (5499, 46840), (5640, 45669), (5855, 43992), (6110, 42156), (7026, 36660), (7332, 35130), (8460, 30446), (9165, 28104), (9368, 27495), (10539, 24440), (10998, 23420), (11710, 21996), (12220, 21078), (14052, 18330), (14664, 17565), (15223, 16920)]