1912238720

素因数分解:

$2^7\times 5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:352

約数の個数: 256

約数和(自身を含む): 5522688000

約数和(自身を除く): 3610449280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 64, 70, 80, 98, 112, 124, 128, 140, 155, 160, 196, 217, 224, 245, 248, 280, 281, 310, 320, 343, 392, 434, 448, 490, 496, 560, 562, 620, 640, 686, 784, 868, 896, 980, 992, 1085, 1120, 1124, 1240, 1372, 1405, 1519, 1568, 1715, 1736, 1960, 1967, 1984, 2170, 2240, 2248, 2480, 2744, 2810, 3038, 3136, 3430, 3472, 3920, 3934, 3968, 4340, 4480, 4496, 4960, 5488, 5620, 6076, 6272, 6860, 6944, 7595, 7840, 7868, 8680, 8711, 8992, 9835, 9920, 10633, 10976, 11240, 12152, 13720, 13769, 13888, 15190, 15680, 15736, 17360, 17422, 17984, 19670, 19840, 21266, 21952, 22480, 24304, 27440, 27538, 27776, 30380, 31360, 31472, 34720, 34844, 35968, 39340, 42532, 43555, 43904, 44960, 48608, 53165, 54880, 55076, 60760, 60977, 62944, 68845, 69440, 69688, 78680, 85064, 87110, 89920, 96383, 97216, 106330, 109760, 110152, 121520, 121954, 125888, 137690, 138880, 139376, 157360, 170128, 174220, 179840, 192766, 194432, 212660, 219520, 220304, 243040, 243908, 251776, 275380, 278752, 304885, 314720, 340256, 348440, 385532, 425320, 426839, 440608, 481915, 486080, 487816, 550760, 557504, 609770, 629440, 680512, 696880, 771064, 850640, 853678, 881216, 963830, 972160, 975632, 1101520, 1115008, 1219540, 1258880, 1361024, 1393760, 1542128, 1701280, 1707356, 1762432, 1927660, 1951264, 2134195, 2203040, 2439080, 2787520, 2987873, 3084256, 3402560, 3414712, 3855320, 3902528, 4268390, 4406080, 4878160, 5575040, 5975746, 6168512, 6805120, 6829424, 7710640, 7805056, 8536780, 8812160, 9756320, 11951492, 12337024, 13658848, 14939365, 15421280, 17073560, 19512640, 23902984, 27317696, 29878730, 30842560, 34147120, 39025280, 47805968, 54635392, 59757460, 61685120, 68294240, 95611936, 119514920, 136588480, 191223872, 239029840, 273176960, 382447744, 478059680, 956119360, 1912238720]

約数ペア:

[(1, 1912238720), (2, 956119360), (4, 478059680), (5, 382447744), (7, 273176960), (8, 239029840), (10, 191223872), (14, 136588480), (16, 119514920), (20, 95611936), (28, 68294240), (31, 61685120), (32, 59757460), (35, 54635392), (40, 47805968), (49, 39025280), (56, 34147120), (62, 30842560), (64, 29878730), (70, 27317696), (80, 23902984), (98, 19512640), (112, 17073560), (124, 15421280), (128, 14939365), (140, 13658848), (155, 12337024), (160, 11951492), (196, 9756320), (217, 8812160), (224, 8536780), (245, 7805056), (248, 7710640), (280, 6829424), (281, 6805120), (310, 6168512), (320, 5975746), (343, 5575040), (392, 4878160), (434, 4406080), (448, 4268390), (490, 3902528), (496, 3855320), (560, 3414712), (562, 3402560), (620, 3084256), (640, 2987873), (686, 2787520), (784, 2439080), (868, 2203040), (896, 2134195), (980, 1951264), (992, 1927660), (1085, 1762432), (1120, 1707356), (1124, 1701280), (1240, 1542128), (1372, 1393760), (1405, 1361024), (1519, 1258880), (1568, 1219540), (1715, 1115008), (1736, 1101520), (1960, 975632), (1967, 972160), (1984, 963830), (2170, 881216), (2240, 853678), (2248, 850640), (2480, 771064), (2744, 696880), (2810, 680512), (3038, 629440), (3136, 609770), (3430, 557504), (3472, 550760), (3920, 487816), (3934, 486080), (3968, 481915), (4340, 440608), (4480, 426839), (4496, 425320), (4960, 385532), (5488, 348440), (5620, 340256), (6076, 314720), (6272, 304885), (6860, 278752), (6944, 275380), (7595, 251776), (7840, 243908), (7868, 243040), (8680, 220304), (8711, 219520), (8992, 212660), (9835, 194432), (9920, 192766), (10633, 179840), (10976, 174220), (11240, 170128), (12152, 157360), (13720, 139376), (13769, 138880), (13888, 137690), (15190, 125888), (15680, 121954), (15736, 121520), (17360, 110152), (17422, 109760), (17984, 106330), (19670, 97216), (19840, 96383), (21266, 89920), (21952, 87110), (22480, 85064), (24304, 78680), (27440, 69688), (27538, 69440), (27776, 68845), (30380, 62944), (31360, 60977), (31472, 60760), (34720, 55076), (34844, 54880), (35968, 53165), (39340, 48608), (42532, 44960), (43555, 43904)]