1991843280

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{1741}}^1$

素因数の和:1994

約数の個数: 240

約数和(自身を含む): 7682972544

約数和(自身を除く): 5691129264

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 227, 240, 252, 280, 315, 336, 360, 420, 454, 504, 560, 630, 681, 720, 840, 908, 1008, 1135, 1260, 1362, 1589, 1680, 1741, 1816, 2043, 2270, 2520, 2724, 3178, 3405, 3482, 3632, 4086, 4540, 4767, 5040, 5223, 5448, 6356, 6810, 6964, 7945, 8172, 8705, 9080, 9534, 10215, 10446, 10896, 12187, 12712, 13620, 13928, 14301, 15669, 15890, 16344, 17410, 18160, 19068, 20430, 20892, 23835, 24374, 25424, 26115, 27240, 27856, 28602, 31338, 31780, 32688, 34820, 36561, 38136, 40860, 41784, 47670, 48748, 52230, 54480, 57204, 60935, 62676, 63560, 69640, 71505, 73122, 76272, 78345, 81720, 83568, 95340, 97496, 104460, 109683, 114408, 121870, 125352, 127120, 139280, 143010, 146244, 156690, 163440, 182805, 190680, 194992, 208920, 219366, 228816, 243740, 250704, 286020, 292488, 313380, 365610, 381360, 395207, 417840, 438732, 487480, 548415, 572040, 584976, 626760, 731220, 790414, 877464, 974960, 1096830, 1144080, 1185621, 1253520, 1462440, 1580828, 1754928, 1976035, 2193660, 2371242, 2766449, 2924880, 3161656, 3556863, 3952070, 4387320, 4742484, 5532898, 5928105, 6323312, 7113726, 7904140, 8299347, 8774640, 9484968, 11065796, 11856210, 13832245, 14227452, 15808280, 16598694, 17784315, 18969936, 22131592, 23712420, 24898041, 27664490, 28454904, 31616560, 33197388, 35568630, 41496735, 44263184, 47424840, 49796082, 55328980, 56909808, 66394776, 71137260, 82993470, 94849680, 99592164, 110657960, 124490205, 132789552, 142274520, 165986940, 199184328, 221315920, 248980410, 284549040, 331973880, 398368656, 497960820, 663947760, 995921640, 1991843280]

約数ペア:

[(1, 1991843280), (2, 995921640), (3, 663947760), (4, 497960820), (5, 398368656), (6, 331973880), (7, 284549040), (8, 248980410), (9, 221315920), (10, 199184328), (12, 165986940), (14, 142274520), (15, 132789552), (16, 124490205), (18, 110657960), (20, 99592164), (21, 94849680), (24, 82993470), (28, 71137260), (30, 66394776), (35, 56909808), (36, 55328980), (40, 49796082), (42, 47424840), (45, 44263184), (48, 41496735), (56, 35568630), (60, 33197388), (63, 31616560), (70, 28454904), (72, 27664490), (80, 24898041), (84, 23712420), (90, 22131592), (105, 18969936), (112, 17784315), (120, 16598694), (126, 15808280), (140, 14227452), (144, 13832245), (168, 11856210), (180, 11065796), (210, 9484968), (227, 8774640), (240, 8299347), (252, 7904140), (280, 7113726), (315, 6323312), (336, 5928105), (360, 5532898), (420, 4742484), (454, 4387320), (504, 3952070), (560, 3556863), (630, 3161656), (681, 2924880), (720, 2766449), (840, 2371242), (908, 2193660), (1008, 1976035), (1135, 1754928), (1260, 1580828), (1362, 1462440), (1589, 1253520), (1680, 1185621), (1741, 1144080), (1816, 1096830), (2043, 974960), (2270, 877464), (2520, 790414), (2724, 731220), (3178, 626760), (3405, 584976), (3482, 572040), (3632, 548415), (4086, 487480), (4540, 438732), (4767, 417840), (5040, 395207), (5223, 381360), (5448, 365610), (6356, 313380), (6810, 292488), (6964, 286020), (7945, 250704), (8172, 243740), (8705, 228816), (9080, 219366), (9534, 208920), (10215, 194992), (10446, 190680), (10896, 182805), (12187, 163440), (12712, 156690), (13620, 146244), (13928, 143010), (14301, 139280), (15669, 127120), (15890, 125352), (16344, 121870), (17410, 114408), (18160, 109683), (19068, 104460), (20430, 97496), (20892, 95340), (23835, 83568), (24374, 81720), (25424, 78345), (26115, 76272), (27240, 73122), (27856, 71505), (28602, 69640), (31338, 63560), (31780, 62676), (32688, 60935), (34820, 57204), (36561, 54480), (38136, 52230), (40860, 48748), (41784, 47670)]