16859198720

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:131

約数の個数: 864

約数和(自身を含む): 56371230720

約数和(自身を除く): 39512032000

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 23, 26, 28, 29, 31, 32, 35, 40, 46, 49, 52, 56, 58, 62, 64, 65, 70, 80, 91, 92, 98, 104, 112, 115, 116, 124, 128, 130, 140, 145, 155, 160, 161, 182, 184, 196, 203, 208, 217, 224, 230, 232, 245, 248, 256, 260, 280, 290, 299, 310, 320, 322, 364, 368, 377, 392, 403, 406, 416, 434, 448, 455, 460, 464, 490, 496, 520, 560, 580, 598, 620, 637, 640, 644, 667, 713, 728, 736, 754, 784, 805, 806, 812, 832, 868, 896, 899, 910, 920, 928, 980, 992, 1015, 1040, 1085, 1120, 1127, 1160, 1196, 1240, 1274, 1280, 1288, 1334, 1421, 1426, 1456, 1472, 1495, 1508, 1519, 1568, 1610, 1612, 1624, 1664, 1736, 1792, 1798, 1820, 1840, 1856, 1885, 1960, 1984, 2015, 2030, 2080, 2093, 2170, 2240, 2254, 2320, 2392, 2480, 2548, 2576, 2639, 2668, 2821, 2842, 2852, 2912, 2944, 2990, 3016, 3038, 3136, 3185, 3220, 3224, 3248, 3328, 3335, 3472, 3565, 3596, 3640, 3680, 3712, 3770, 3920, 3968, 4030, 4060, 4160, 4186, 4340, 4480, 4495, 4508, 4640, 4669, 4784, 4960, 4991, 5096, 5152, 5278, 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約数ペア:

[(1, 16859198720), (2, 8429599360), (4, 4214799680), (5, 3371839744), (7, 2408456960), (8, 2107399840), (10, 1685919872), (13, 1296861440), (14, 1204228480), (16, 1053699920), (20, 842959936), (23, 733008640), (26, 648430720), (28, 602114240), (29, 581351680), (31, 543845120), (32, 526849960), (35, 481691392), (40, 421479968), (46, 366504320), (49, 344065280), (52, 324215360), (56, 301057120), (58, 290675840), (62, 271922560), (64, 263424980), (65, 259372288), (70, 240845696), (80, 210739984), (91, 185265920), (92, 183252160), (98, 172032640), (104, 162107680), (112, 150528560), (115, 146601728), (116, 145337920), (124, 135961280), (128, 131712490), (130, 129686144), (140, 120422848), (145, 116270336), (155, 108769024), (160, 105369992), (161, 104715520), (182, 92632960), (184, 91626080), (196, 86016320), (203, 83050240), (208, 81053840), (217, 77692160), (224, 75264280), (230, 73300864), (232, 72668960), (245, 68813056), (248, 67980640), (256, 65856245), (260, 64843072), (280, 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