210042720

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{853}}^1$

素因数の和:899

約数の個数: 240

約数和(自身を含む): 781205040

約数和(自身を除く): 571162320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 81, 90, 95, 96, 108, 114, 120, 135, 144, 152, 160, 162, 171, 180, 190, 216, 228, 240, 270, 285, 288, 304, 324, 342, 360, 380, 405, 432, 456, 480, 513, 540, 570, 608, 648, 684, 720, 760, 810, 853, 855, 864, 912, 1026, 1080, 1140, 1296, 1368, 1440, 1520, 1539, 1620, 1706, 1710, 1824, 2052, 2160, 2280, 2559, 2565, 2592, 2736, 3040, 3078, 3240, 3412, 3420, 4104, 4265, 4320, 4560, 5118, 5130, 5472, 6156, 6480, 6824, 6840, 7677, 7695, 8208, 8530, 9120, 10236, 10260, 12312, 12795, 12960, 13648, 13680, 15354, 15390, 16207, 16416, 17060, 20472, 20520, 23031, 24624, 25590, 27296, 27360, 30708, 30780, 32414, 34120, 38385, 40944, 41040, 46062, 48621, 49248, 51180, 61416, 61560, 64828, 68240, 69093, 76770, 81035, 81888, 82080, 92124, 97242, 102360, 115155, 122832, 123120, 129656, 136480, 138186, 145863, 153540, 162070, 184248, 194484, 204720, 230310, 243105, 245664, 246240, 259312, 276372, 291726, 307080, 324140, 345465, 368496, 388968, 409440, 437589, 460620, 486210, 518624, 552744, 583452, 614160, 648280, 690930, 729315, 736992, 777936, 875178, 921240, 972420, 1105488, 1166904, 1228320, 1296560, 1312767, 1381860, 1458630, 1555872, 1750356, 1842480, 1944840, 2187945, 2210976, 2333808, 2593120, 2625534, 2763720, 2917260, 3500712, 3684960, 3889680, 4375890, 4667616, 5251068, 5527440, 5834520, 6563835, 7001424, 7779360, 8751780, 10502136, 11054880, 11669040, 13127670, 14002848, 17503560, 21004272, 23338080, 26255340, 35007120, 42008544, 52510680, 70014240, 105021360, 210042720]

約数ペア:

[(1, 210042720), (2, 105021360), (3, 70014240), (4, 52510680), (5, 42008544), (6, 35007120), (8, 26255340), (9, 23338080), (10, 21004272), (12, 17503560), (15, 14002848), (16, 13127670), (18, 11669040), (19, 11054880), (20, 10502136), (24, 8751780), (27, 7779360), (30, 7001424), (32, 6563835), (36, 5834520), (38, 5527440), (40, 5251068), (45, 4667616), (48, 4375890), (54, 3889680), (57, 3684960), (60, 3500712), (72, 2917260), (76, 2763720), (80, 2625534), (81, 2593120), (90, 2333808), (95, 2210976), (96, 2187945), (108, 1944840), (114, 1842480), (120, 1750356), (135, 1555872), (144, 1458630), (152, 1381860), (160, 1312767), (162, 1296560), (171, 1228320), (180, 1166904), (190, 1105488), (216, 972420), (228, 921240), (240, 875178), (270, 777936), (285, 736992), (288, 729315), (304, 690930), (324, 648280), (342, 614160), (360, 583452), (380, 552744), (405, 518624), (432, 486210), (456, 460620), (480, 437589), (513, 409440), (540, 388968), (570, 368496), (608, 345465), (648, 324140), (684, 307080), (720, 291726), (760, 276372), (810, 259312), (853, 246240), (855, 245664), (864, 243105), (912, 230310), (1026, 204720), (1080, 194484), (1140, 184248), (1296, 162070), (1368, 153540), (1440, 145863), (1520, 138186), (1539, 136480), (1620, 129656), (1706, 123120), (1710, 122832), (1824, 115155), (2052, 102360), (2160, 97242), (2280, 92124), (2559, 82080), (2565, 81888), (2592, 81035), (2736, 76770), (3040, 69093), (3078, 68240), (3240, 64828), (3412, 61560), (3420, 61416), (4104, 51180), (4265, 49248), (4320, 48621), (4560, 46062), (5118, 41040), (5130, 40944), (5472, 38385), (6156, 34120), (6480, 32414), (6824, 30780), (6840, 30708), (7677, 27360), (7695, 27296), (8208, 25590), (8530, 24624), (9120, 23031), (10236, 20520), (10260, 20472), (12312, 17060), (12795, 16416), (12960, 16207), (13648, 15390), (13680, 15354)]