16918720

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1$

素因数の和:127

約数の個数: 168

約数和(自身を含む): 51078384

約数和(自身を除く): 34159664

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 64, 65, 70, 80, 83, 91, 98, 104, 112, 130, 140, 160, 166, 182, 196, 208, 224, 245, 260, 280, 320, 332, 364, 392, 415, 416, 448, 455, 490, 520, 560, 581, 637, 664, 728, 784, 830, 832, 910, 980, 1040, 1079, 1120, 1162, 1274, 1328, 1456, 1568, 1660, 1820, 1960, 2080, 2158, 2240, 2324, 2548, 2656, 2905, 2912, 3136, 3185, 3320, 3640, 3920, 4067, 4160, 4316, 4648, 5096, 5312, 5395, 5810, 5824, 6370, 6640, 7280, 7553, 7840, 8134, 8632, 9296, 10192, 10790, 11620, 12740, 13280, 14560, 15106, 15680, 16268, 17264, 18592, 20335, 20384, 21580, 23240, 25480, 26560, 29120, 30212, 32536, 34528, 37184, 37765, 40670, 40768, 43160, 46480, 50960, 52871, 60424, 65072, 69056, 75530, 81340, 86320, 92960, 101920, 105742, 120848, 130144, 151060, 162680, 172640, 185920, 203840, 211484, 241696, 260288, 264355, 302120, 325360, 345280, 422968, 483392, 528710, 604240, 650720, 845936, 1057420, 1208480, 1301440, 1691872, 2114840, 2416960, 3383744, 4229680, 8459360, 16918720]

約数ペア:

[(1, 16918720), (2, 8459360), (4, 4229680), (5, 3383744), (7, 2416960), (8, 2114840), (10, 1691872), (13, 1301440), (14, 1208480), (16, 1057420), (20, 845936), (26, 650720), (28, 604240), (32, 528710), (35, 483392), (40, 422968), (49, 345280), (52, 325360), (56, 302120), (64, 264355), (65, 260288), (70, 241696), (80, 211484), (83, 203840), (91, 185920), (98, 172640), (104, 162680), (112, 151060), (130, 130144), (140, 120848), (160, 105742), (166, 101920), (182, 92960), (196, 86320), (208, 81340), (224, 75530), (245, 69056), (260, 65072), (280, 60424), (320, 52871), (332, 50960), (364, 46480), (392, 43160), (415, 40768), (416, 40670), (448, 37765), (455, 37184), (490, 34528), (520, 32536), (560, 30212), (581, 29120), (637, 26560), (664, 25480), (728, 23240), (784, 21580), (830, 20384), (832, 20335), (910, 18592), (980, 17264), (1040, 16268), (1079, 15680), (1120, 15106), (1162, 14560), (1274, 13280), (1328, 12740), (1456, 11620), (1568, 10790), (1660, 10192), (1820, 9296), (1960, 8632), (2080, 8134), (2158, 7840), (2240, 7553), (2324, 7280), (2548, 6640), (2656, 6370), (2905, 5824), (2912, 5810), (3136, 5395), (3185, 5312), (3320, 5096), (3640, 4648), (3920, 4316), (4067, 4160)]