251648280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3163}}^1$

素因数の和:3210

約数の個数: 192

約数和(自身を含む): 932873760

約数和(自身を除く): 681225480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 17, 18, 20, 24, 26, 30, 34, 36, 39, 40, 45, 51, 52, 60, 65, 68, 72, 78, 85, 90, 102, 104, 117, 120, 130, 136, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 306, 312, 340, 360, 390, 408, 442, 468, 510, 520, 585, 612, 663, 680, 765, 780, 884, 936, 1020, 1105, 1170, 1224, 1326, 1530, 1560, 1768, 1989, 2040, 2210, 2340, 2652, 3060, 3163, 3315, 3978, 4420, 4680, 5304, 6120, 6326, 6630, 7956, 8840, 9489, 9945, 12652, 13260, 15815, 15912, 18978, 19890, 25304, 26520, 28467, 31630, 37956, 39780, 41119, 47445, 53771, 56934, 63260, 75912, 79560, 82238, 94890, 107542, 113868, 123357, 126520, 142335, 161313, 164476, 189780, 205595, 215084, 227736, 246714, 268855, 284670, 322626, 328952, 370071, 379560, 411190, 430168, 483939, 493428, 537710, 569340, 616785, 645252, 699023, 740142, 806565, 822380, 967878, 986856, 1075420, 1138680, 1233570, 1290504, 1398046, 1480284, 1613130, 1644760, 1850355, 1935756, 2097069, 2150840, 2419695, 2467140, 2796092, 2960568, 3226260, 3495115, 3700710, 3871512, 4194138, 4839390, 4934280, 5592184, 6291207, 6452520, 6990230, 7401420, 8388276, 9678780, 10485345, 12582414, 13980460, 14802840, 16776552, 19357560, 20970690, 25164828, 27960920, 31456035, 41941380, 50329656, 62912070, 83882760, 125824140, 251648280]

約数ペア:

[(1, 251648280), (2, 125824140), (3, 83882760), (4, 62912070), (5, 50329656), (6, 41941380), (8, 31456035), (9, 27960920), (10, 25164828), (12, 20970690), (13, 19357560), (15, 16776552), (17, 14802840), (18, 13980460), (20, 12582414), (24, 10485345), (26, 9678780), (30, 8388276), (34, 7401420), (36, 6990230), (39, 6452520), (40, 6291207), (45, 5592184), (51, 4934280), (52, 4839390), (60, 4194138), (65, 3871512), (68, 3700710), (72, 3495115), (78, 3226260), (85, 2960568), (90, 2796092), (102, 2467140), (104, 2419695), (117, 2150840), (120, 2097069), (130, 1935756), (136, 1850355), (153, 1644760), (156, 1613130), (170, 1480284), (180, 1398046), (195, 1290504), (204, 1233570), (221, 1138680), (234, 1075420), (255, 986856), (260, 967878), (306, 822380), (312, 806565), (340, 740142), (360, 699023), (390, 645252), (408, 616785), (442, 569340), (468, 537710), (510, 493428), (520, 483939), (585, 430168), (612, 411190), (663, 379560), (680, 370071), (765, 328952), (780, 322626), (884, 284670), (936, 268855), (1020, 246714), (1105, 227736), (1170, 215084), (1224, 205595), (1326, 189780), (1530, 164476), (1560, 161313), (1768, 142335), (1989, 126520), (2040, 123357), (2210, 113868), (2340, 107542), (2652, 94890), (3060, 82238), (3163, 79560), (3315, 75912), (3978, 63260), (4420, 56934), (4680, 53771), (5304, 47445), (6120, 41119), (6326, 39780), (6630, 37956), (7956, 31630), (8840, 28467), (9489, 26520), (9945, 25304), (12652, 19890), (13260, 18978), (15815, 15912)]