507328640

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:351

約数の個数: 256

約数和(自身を含む): 1546352640

約数和(自身を除く): 1039024000

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 32, 35, 40, 52, 56, 62, 64, 65, 70, 80, 91, 104, 112, 124, 128, 130, 140, 155, 160, 182, 208, 217, 224, 248, 260, 280, 281, 310, 320, 364, 403, 416, 434, 448, 455, 496, 520, 560, 562, 620, 640, 728, 806, 832, 868, 896, 910, 992, 1040, 1085, 1120, 1124, 1240, 1405, 1456, 1612, 1664, 1736, 1820, 1967, 1984, 2015, 2080, 2170, 2240, 2248, 2480, 2810, 2821, 2912, 3224, 3472, 3640, 3653, 3934, 3968, 4030, 4160, 4340, 4480, 4496, 4960, 5620, 5642, 5824, 6448, 6944, 7280, 7306, 7868, 8060, 8320, 8680, 8711, 8992, 9835, 9920, 11240, 11284, 11648, 12896, 13888, 14105, 14560, 14612, 15736, 16120, 17360, 17422, 17984, 18265, 19670, 19840, 22480, 22568, 25571, 25792, 27776, 28210, 29120, 29224, 31472, 32240, 34720, 34844, 35968, 36530, 39340, 43555, 44960, 45136, 51142, 51584, 56420, 58240, 58448, 60977, 62944, 64480, 69440, 69688, 73060, 78680, 87110, 89920, 90272, 102284, 112840, 113243, 116896, 121954, 125888, 127855, 128960, 138880, 139376, 146120, 157360, 174220, 179840, 180544, 204568, 225680, 226486, 233792, 243908, 251776, 255710, 257920, 278752, 292240, 304885, 314720, 348440, 361088, 409136, 451360, 452972, 467584, 487816, 511420, 557504, 566215, 584480, 609770, 629440, 696880, 792701, 818272, 902720, 905944, 975632, 1022840, 1115008, 1132430, 1168960, 1219540, 1258880, 1393760, 1585402, 1636544, 1805440, 1811888, 1951264, 2045680, 2264860, 2337920, 2439080, 2787520, 3170804, 3273088, 3623776, 3902528, 3963505, 4091360, 4529720, 4878160, 5575040, 6341608, 7247552, 7805056, 7927010, 8182720, 9059440, 9756320, 12683216, 14495104, 15854020, 16365440, 18118880, 19512640, 25366432, 31708040, 36237760, 39025280, 50732864, 63416080, 72475520, 101465728, 126832160, 253664320, 507328640]

約数ペア:

[(1, 507328640), (2, 253664320), (4, 126832160), (5, 101465728), (7, 72475520), (8, 63416080), (10, 50732864), (13, 39025280), (14, 36237760), (16, 31708040), (20, 25366432), (26, 19512640), (28, 18118880), (31, 16365440), (32, 15854020), (35, 14495104), (40, 12683216), (52, 9756320), (56, 9059440), (62, 8182720), (64, 7927010), (65, 7805056), (70, 7247552), (80, 6341608), (91, 5575040), (104, 4878160), (112, 4529720), (124, 4091360), (128, 3963505), (130, 3902528), (140, 3623776), (155, 3273088), (160, 3170804), (182, 2787520), (208, 2439080), (217, 2337920), (224, 2264860), (248, 2045680), (260, 1951264), (280, 1811888), (281, 1805440), (310, 1636544), (320, 1585402), (364, 1393760), (403, 1258880), (416, 1219540), (434, 1168960), (448, 1132430), (455, 1115008), (496, 1022840), (520, 975632), (560, 905944), (562, 902720), (620, 818272), (640, 792701), (728, 696880), (806, 629440), (832, 609770), (868, 584480), (896, 566215), (910, 557504), (992, 511420), (1040, 487816), (1085, 467584), (1120, 452972), (1124, 451360), (1240, 409136), (1405, 361088), (1456, 348440), (1612, 314720), (1664, 304885), (1736, 292240), (1820, 278752), (1967, 257920), (1984, 255710), (2015, 251776), (2080, 243908), (2170, 233792), (2240, 226486), (2248, 225680), (2480, 204568), (2810, 180544), (2821, 179840), (2912, 174220), (3224, 157360), (3472, 146120), (3640, 139376), (3653, 138880), (3934, 128960), (3968, 127855), (4030, 125888), (4160, 121954), (4340, 116896), (4480, 113243), (4496, 112840), (4960, 102284), (5620, 90272), (5642, 89920), (5824, 87110), (6448, 78680), (6944, 73060), (7280, 69688), (7306, 69440), (7868, 64480), (8060, 62944), (8320, 60977), (8680, 58448), (8711, 58240), (8992, 56420), (9835, 51584), (9920, 51142), (11240, 45136), (11284, 44960), (11648, 43555), (12896, 39340), (13888, 36530), (14105, 35968), (14560, 34844), (14612, 34720), (15736, 32240), (16120, 31472), (17360, 29224), (17422, 29120), (17984, 28210), (18265, 27776), (19670, 25792), (19840, 25571), (22480, 22568)]