19881538560

素因数分解:

$2^{10}\times 3^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:120

約数の個数: 1056

約数和(自身を含む): 81992666880

約数和(自身を除く): 62111128320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 23, 24, 26, 27, 30, 32, 36, 37, 39, 40, 45, 46, 48, 52, 54, 60, 64, 65, 69, 72, 74, 78, 80, 90, 92, 96, 104, 108, 111, 115, 117, 120, 128, 130, 135, 138, 144, 148, 156, 160, 169, 180, 184, 185, 192, 195, 207, 208, 216, 222, 230, 234, 240, 256, 260, 270, 276, 288, 296, 299, 312, 320, 333, 338, 345, 351, 360, 368, 370, 384, 390, 414, 416, 432, 444, 460, 468, 480, 481, 507, 512, 520, 540, 552, 555, 576, 585, 592, 598, 621, 624, 640, 666, 676, 690, 702, 720, 736, 740, 768, 780, 828, 832, 845, 851, 864, 888, 897, 920, 936, 960, 962, 999, 1014, 1024, 1035, 1040, 1080, 1104, 1110, 1152, 1170, 1184, 1196, 1242, 1248, 1280, 1332, 1352, 1380, 1404, 1440, 1443, 1472, 1480, 1495, 1521, 1536, 1560, 1656, 1664, 1665, 1690, 1702, 1728, 1755, 1776, 1794, 1840, 1872, 1920, 1924, 1998, 2028, 2070, 2080, 2160, 2208, 2220, 2304, 2340, 2368, 2392, 2405, 2484, 2496, 2535, 2553, 2560, 2664, 2691, 2704, 2760, 2808, 2880, 2886, 2944, 2960, 2990, 3042, 3072, 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359424, 365040, 367632, 369408, 373152, 375180, 382720, 389376, 397440, 398268, 400192, 408480, 415584, 419796, 426240, 430560, 431457, 432640, 435712, 442520, 449280, 450216, 459264, 459540, 461760, 466440, 486720, 490176, 492544, 497536, 497835, 500240, 511488, 516672, 519168, 519480, 524745, 529920, 531024, 544640, 554112, 559728, 562770, 568320, 574080, 575276, 584064, 597402, 599040, 600288, 612720, 615680, 621920, 635904, 639360, 645840, 648960, 653568, 663780, 675324, 688896, 692640, 699660, 708032, 719095, 730080, 735264, 738816, 746304, 750360, 765440, 778752, 794880, 796536, 800384, 816960, 831168, 839592, 844155, 852480, 861120, 862914, 865280, 871424, 885040, 898560, 900432, 918528, 919080, 923520, 932880, 973440, 980352, 995072, 995670, 1000480, 1022976, 1033344, 1038960, 1049490, 1059840, 1062048, 1089280, 1108224, 1119456, 1125540, 1148160, 1150552, 1168128, 1194804, 1200576, 1225440, 1231360, 1243840, 1278720, 1291680, 1294371, 1297920, 1307136, 1327560, 1350648, 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2209059840, 2485192320, 3313589760, 3976307712, 4970384640, 6627179520, 9940769280, 19881538560]

約数ペア:

[(1, 19881538560), (2, 9940769280), (3, 6627179520), (4, 4970384640), (5, 3976307712), (6, 3313589760), (8, 2485192320), (9, 2209059840), (10, 1988153856), (12, 1656794880), (13, 1529349120), (15, 1325435904), (16, 1242596160), (18, 1104529920), (20, 994076928), (23, 864414720), (24, 828397440), (26, 764674560), (27, 736353280), (30, 662717952), (32, 621298080), (36, 552264960), (37, 537338880), (39, 509783040), (40, 497038464), (45, 441811968), (46, 432207360), (48, 414198720), (52, 382337280), (54, 368176640), (60, 331358976), (64, 310649040), (65, 305869824), (69, 288138240), (72, 276132480), (74, 268669440), (78, 254891520), (80, 248519232), (90, 220905984), (92, 216103680), (96, 207099360), (104, 191168640), (108, 184088320), (111, 179112960), (115, 172882944), (117, 169927680), (120, 165679488), (128, 155324520), (130, 152934912), (135, 147270656), (138, 144069120), (144, 138066240), (148, 134334720), (156, 127445760), (160, 124259616), (169, 117642240), (180, 110452992), (184, 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