1780830720

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2089}}^1$

素因数の和:2155

約数の個数: 240

約数和(自身を含む): 6337239480

約数和(自身を除く): 4556408760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 37, 40, 45, 48, 60, 64, 72, 74, 80, 90, 96, 111, 120, 128, 144, 148, 160, 180, 185, 192, 222, 240, 256, 288, 296, 320, 333, 360, 370, 384, 444, 480, 512, 555, 576, 592, 640, 666, 720, 740, 768, 888, 960, 1110, 1152, 1184, 1280, 1332, 1440, 1480, 1536, 1665, 1776, 1920, 2089, 2220, 2304, 2368, 2560, 2664, 2880, 2960, 3330, 3552, 3840, 4178, 4440, 4608, 4736, 5328, 5760, 5920, 6267, 6660, 7104, 7680, 8356, 8880, 9472, 10445, 10656, 11520, 11840, 12534, 13320, 14208, 16712, 17760, 18801, 18944, 20890, 21312, 23040, 23680, 25068, 26640, 28416, 31335, 33424, 35520, 37602, 41780, 42624, 47360, 50136, 53280, 56832, 62670, 66848, 71040, 75204, 77293, 83560, 85248, 94005, 94720, 100272, 106560, 125340, 133696, 142080, 150408, 154586, 167120, 170496, 188010, 200544, 213120, 231879, 250680, 267392, 284160, 300816, 309172, 334240, 376020, 386465, 401088, 426240, 463758, 501360, 534784, 601632, 618344, 668480, 695637, 752040, 772930, 802176, 852480, 927516, 1002720, 1069568, 1159395, 1203264, 1236688, 1336960, 1391274, 1504080, 1545860, 1604352, 1855032, 2005440, 2318790, 2406528, 2473376, 2673920, 2782548, 3008160, 3091720, 3208704, 3478185, 3710064, 4010880, 4637580, 4813056, 4946752, 5347840, 5565096, 6016320, 6183440, 6956370, 7420128, 8021760, 9275160, 9626112, 9893504, 11130192, 12032640, 12366880, 13912740, 14840256, 16043520, 18550320, 19787008, 22260384, 24065280, 24733760, 27825480, 29680512, 37100640, 39574016, 44520768, 48130560, 49467520, 55650960, 59361024, 74201280, 89041536, 98935040, 111301920, 118722048, 148402560, 178083072, 197870080, 222603840, 296805120, 356166144, 445207680, 593610240, 890415360, 1780830720]

約数ペア:

[(1, 1780830720), (2, 890415360), (3, 593610240), (4, 445207680), (5, 356166144), (6, 296805120), (8, 222603840), (9, 197870080), (10, 178083072), (12, 148402560), (15, 118722048), (16, 111301920), (18, 98935040), (20, 89041536), (24, 74201280), (30, 59361024), (32, 55650960), (36, 49467520), (37, 48130560), (40, 44520768), (45, 39574016), (48, 37100640), (60, 29680512), (64, 27825480), (72, 24733760), (74, 24065280), (80, 22260384), (90, 19787008), (96, 18550320), (111, 16043520), (120, 14840256), (128, 13912740), (144, 12366880), (148, 12032640), (160, 11130192), (180, 9893504), (185, 9626112), (192, 9275160), (222, 8021760), (240, 7420128), (256, 6956370), (288, 6183440), (296, 6016320), (320, 5565096), (333, 5347840), (360, 4946752), (370, 4813056), (384, 4637580), (444, 4010880), (480, 3710064), (512, 3478185), (555, 3208704), (576, 3091720), (592, 3008160), (640, 2782548), (666, 2673920), (720, 2473376), (740, 2406528), (768, 2318790), (888, 2005440), (960, 1855032), (1110, 1604352), (1152, 1545860), (1184, 1504080), (1280, 1391274), (1332, 1336960), (1440, 1236688), (1480, 1203264), (1536, 1159395), (1665, 1069568), (1776, 1002720), (1920, 927516), (2089, 852480), (2220, 802176), (2304, 772930), (2368, 752040), (2560, 695637), (2664, 668480), (2880, 618344), (2960, 601632), (3330, 534784), (3552, 501360), (3840, 463758), (4178, 426240), (4440, 401088), (4608, 386465), (4736, 376020), (5328, 334240), (5760, 309172), (5920, 300816), (6267, 284160), (6660, 267392), (7104, 250680), (7680, 231879), (8356, 213120), (8880, 200544), (9472, 188010), (10445, 170496), (10656, 167120), (11520, 154586), (11840, 150408), (12534, 142080), (13320, 133696), (14208, 125340), (16712, 106560), (17760, 100272), (18801, 94720), (18944, 94005), (20890, 85248), (21312, 83560), (23040, 77293), (23680, 75204), (25068, 71040), (26640, 66848), (28416, 62670), (31335, 56832), (33424, 53280), (35520, 50136), (37602, 47360), (41780, 42624)]