1660727040

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1993}}^1$

素因数の和:2055

約数の個数: 288

約数和(自身を含む): 6260330496

約数和(自身を除く): 4599603456

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 32, 35, 40, 42, 48, 56, 60, 62, 64, 70, 80, 84, 93, 96, 105, 112, 120, 124, 128, 140, 155, 160, 168, 186, 192, 210, 217, 224, 240, 248, 256, 280, 310, 320, 336, 372, 384, 420, 434, 448, 465, 480, 496, 560, 620, 640, 651, 672, 744, 768, 840, 868, 896, 930, 960, 992, 1085, 1120, 1240, 1280, 1302, 1344, 1488, 1680, 1736, 1792, 1860, 1920, 1984, 1993, 2170, 2240, 2480, 2604, 2688, 2976, 3255, 3360, 3472, 3720, 3840, 3968, 3986, 4340, 4480, 4960, 5208, 5376, 5952, 5979, 6510, 6720, 6944, 7440, 7936, 7972, 8680, 8960, 9920, 9965, 10416, 11904, 11958, 13020, 13440, 13888, 13951, 14880, 15944, 17360, 19840, 19930, 20832, 23808, 23916, 26040, 26880, 27776, 27902, 29760, 29895, 31888, 34720, 39680, 39860, 41664, 41853, 47832, 52080, 55552, 55804, 59520, 59790, 61783, 63776, 69440, 69755, 79720, 83328, 83706, 95664, 104160, 111608, 119040, 119580, 123566, 127552, 138880, 139510, 159440, 166656, 167412, 185349, 191328, 208320, 209265, 223216, 239160, 247132, 255104, 277760, 279020, 308915, 318880, 334824, 370698, 382656, 416640, 418530, 432481, 446432, 478320, 494264, 510208, 558040, 617830, 637760, 669648, 741396, 765312, 833280, 837060, 864962, 892864, 926745, 956640, 988528, 1116080, 1235660, 1275520, 1297443, 1339296, 1482792, 1530624, 1674120, 1729924, 1785728, 1853490, 1913280, 1977056, 2162405, 2232160, 2471320, 2551040, 2594886, 2678592, 2965584, 3348240, 3459848, 3571456, 3706980, 3826560, 3954112, 4324810, 4464320, 4942640, 5189772, 5357184, 5931168, 6487215, 6696480, 6919696, 7413960, 7653120, 7908224, 8649620, 8928640, 9885280, 10379544, 10714368, 11862336, 12974430, 13392960, 13839392, 14827920, 15816448, 17299240, 17857280, 19770560, 20759088, 23724672, 25948860, 26785920, 27678784, 29655840, 34598480, 39541120, 41518176, 47449344, 51897720, 53571840, 55357568, 59311680, 69196960, 79082240, 83036352, 103795440, 110715136, 118623360, 138393920, 166072704, 207590880, 237246720, 276787840, 332145408, 415181760, 553575680, 830363520, 1660727040]

約数ペア:

[(1, 1660727040), (2, 830363520), (3, 553575680), (4, 415181760), (5, 332145408), (6, 276787840), (7, 237246720), (8, 207590880), (10, 166072704), (12, 138393920), (14, 118623360), (15, 110715136), (16, 103795440), (20, 83036352), (21, 79082240), (24, 69196960), (28, 59311680), (30, 55357568), (31, 53571840), (32, 51897720), (35, 47449344), (40, 41518176), (42, 39541120), (48, 34598480), (56, 29655840), (60, 27678784), (62, 26785920), (64, 25948860), (70, 23724672), (80, 20759088), (84, 19770560), (93, 17857280), (96, 17299240), (105, 15816448), (112, 14827920), (120, 13839392), (124, 13392960), (128, 12974430), (140, 11862336), (155, 10714368), (160, 10379544), (168, 9885280), (186, 8928640), (192, 8649620), (210, 7908224), (217, 7653120), (224, 7413960), (240, 6919696), (248, 6696480), (256, 6487215), (280, 5931168), (310, 5357184), (320, 5189772), (336, 4942640), (372, 4464320), (384, 4324810), (420, 3954112), (434, 3826560), (448, 3706980), (465, 3571456), (480, 3459848), (496, 3348240), (560, 2965584), (620, 2678592), (640, 2594886), (651, 2551040), (672, 2471320), (744, 2232160), (768, 2162405), (840, 1977056), (868, 1913280), (896, 1853490), (930, 1785728), (960, 1729924), (992, 1674120), (1085, 1530624), (1120, 1482792), (1240, 1339296), (1280, 1297443), (1302, 1275520), (1344, 1235660), (1488, 1116080), (1680, 988528), (1736, 956640), (1792, 926745), (1860, 892864), (1920, 864962), (1984, 837060), (1993, 833280), (2170, 765312), (2240, 741396), (2480, 669648), (2604, 637760), (2688, 617830), (2976, 558040), (3255, 510208), (3360, 494264), (3472, 478320), (3720, 446432), (3840, 432481), (3968, 418530), (3986, 416640), (4340, 382656), (4480, 370698), (4960, 334824), (5208, 318880), (5376, 308915), (5952, 279020), (5979, 277760), (6510, 255104), (6720, 247132), (6944, 239160), (7440, 223216), (7936, 209265), (7972, 208320), (8680, 191328), (8960, 185349), (9920, 167412), (9965, 166656), (10416, 159440), (11904, 139510), (11958, 138880), (13020, 127552), (13440, 123566), (13888, 119580), (13951, 119040), (14880, 111608), (15944, 104160), (17360, 95664), (19840, 83706), (19930, 83328), (20832, 79720), (23808, 69755), (23916, 69440), (26040, 63776), (26880, 61783), (27776, 59790), (27902, 59520), (29760, 55804), (29895, 55552), (31888, 52080), (34720, 47832), (39680, 41853), (39860, 41664)]