285855960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:338

約数の個数: 256

約数和(自身を含む): 998645760

約数和(自身を除く): 712789800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 23, 24, 26, 30, 31, 39, 40, 46, 52, 60, 62, 65, 69, 78, 92, 93, 104, 115, 120, 124, 130, 138, 155, 156, 184, 186, 195, 230, 248, 257, 260, 276, 299, 310, 312, 345, 372, 390, 403, 460, 465, 514, 520, 552, 598, 620, 690, 713, 744, 771, 780, 806, 897, 920, 930, 1028, 1196, 1209, 1240, 1285, 1380, 1426, 1495, 1542, 1560, 1612, 1794, 1860, 2015, 2056, 2139, 2392, 2418, 2570, 2760, 2852, 2990, 3084, 3224, 3341, 3565, 3588, 3720, 3855, 4030, 4278, 4485, 4836, 5140, 5704, 5911, 5980, 6045, 6168, 6682, 7130, 7176, 7710, 7967, 8060, 8556, 8970, 9269, 9672, 10023, 10280, 10695, 11822, 11960, 12090, 13364, 14260, 15420, 15934, 16120, 16705, 17112, 17733, 17940, 18538, 20046, 21390, 23644, 23901, 24180, 26728, 27807, 28520, 29555, 30840, 31868, 33410, 35466, 35880, 37076, 39835, 40092, 42780, 46345, 47288, 47802, 48360, 50115, 55614, 59110, 63736, 66820, 70932, 74152, 76843, 79670, 80184, 85560, 88665, 92690, 95604, 100230, 103571, 111228, 118220, 119505, 133640, 139035, 141864, 153686, 159340, 177330, 183241, 185380, 191208, 200460, 207142, 222456, 230529, 236440, 239010, 278070, 307372, 310713, 318680, 354660, 366482, 370760, 384215, 400920, 414284, 461058, 478020, 517855, 549723, 556140, 614744, 621426, 709320, 732964, 768430, 828568, 916205, 922116, 956040, 1035710, 1099446, 1112280, 1152645, 1242852, 1465928, 1536860, 1553565, 1832410, 1844232, 2071420, 2198892, 2305290, 2382133, 2485704, 2748615, 3073720, 3107130, 3664820, 4142840, 4397784, 4610580, 4764266, 5497230, 6214260, 7146399, 7329640, 9221160, 9528532, 10994460, 11910665, 12428520, 14292798, 19057064, 21988920, 23821330, 28585596, 35731995, 47642660, 57171192, 71463990, 95285320, 142927980, 285855960]

約数ペア:

[(1, 285855960), (2, 142927980), (3, 95285320), (4, 71463990), (5, 57171192), (6, 47642660), (8, 35731995), (10, 28585596), (12, 23821330), (13, 21988920), (15, 19057064), (20, 14292798), (23, 12428520), (24, 11910665), (26, 10994460), (30, 9528532), (31, 9221160), (39, 7329640), (40, 7146399), (46, 6214260), (52, 5497230), (60, 4764266), (62, 4610580), (65, 4397784), (69, 4142840), (78, 3664820), (92, 3107130), (93, 3073720), (104, 2748615), (115, 2485704), (120, 2382133), (124, 2305290), (130, 2198892), (138, 2071420), (155, 1844232), (156, 1832410), (184, 1553565), (186, 1536860), (195, 1465928), (230, 1242852), (248, 1152645), (257, 1112280), (260, 1099446), (276, 1035710), (299, 956040), (310, 922116), (312, 916205), (345, 828568), (372, 768430), (390, 732964), (403, 709320), (460, 621426), (465, 614744), (514, 556140), (520, 549723), (552, 517855), (598, 478020), (620, 461058), (690, 414284), (713, 400920), (744, 384215), (771, 370760), (780, 366482), (806, 354660), (897, 318680), (920, 310713), (930, 307372), (1028, 278070), (1196, 239010), (1209, 236440), (1240, 230529), (1285, 222456), (1380, 207142), (1426, 200460), (1495, 191208), (1542, 185380), (1560, 183241), (1612, 177330), (1794, 159340), (1860, 153686), (2015, 141864), (2056, 139035), (2139, 133640), (2392, 119505), (2418, 118220), (2570, 111228), (2760, 103571), (2852, 100230), (2990, 95604), (3084, 92690), (3224, 88665), (3341, 85560), (3565, 80184), (3588, 79670), (3720, 76843), (3855, 74152), (4030, 70932), (4278, 66820), (4485, 63736), (4836, 59110), (5140, 55614), (5704, 50115), (5911, 48360), (5980, 47802), (6045, 47288), (6168, 46345), (6682, 42780), (7130, 40092), (7176, 39835), (7710, 37076), (7967, 35880), (8060, 35466), (8556, 33410), (8970, 31868), (9269, 30840), (9672, 29555), (10023, 28520), (10280, 27807), (10695, 26728), (11822, 24180), (11960, 23901), (12090, 23644), (13364, 21390), (14260, 20046), (15420, 18538), (15934, 17940), (16120, 17733), (16705, 17112)]