215968480

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{163}}^1$

素因数の和:218

約数の個数: 216

約数和(自身を含む): 646638552

約数和(自身を除く): 430670072

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 160, 163, 169, 182, 196, 208, 224, 245, 260, 280, 326, 338, 364, 392, 416, 455, 490, 520, 560, 637, 652, 676, 728, 784, 815, 845, 910, 980, 1040, 1120, 1141, 1183, 1274, 1304, 1352, 1456, 1568, 1630, 1690, 1820, 1960, 2080, 2119, 2282, 2366, 2548, 2608, 2704, 2912, 3185, 3260, 3380, 3640, 3920, 4238, 4564, 4732, 5096, 5216, 5408, 5705, 5915, 6370, 6520, 6760, 7280, 7840, 7987, 8281, 8476, 9128, 9464, 10192, 10595, 11410, 11830, 12740, 13040, 13520, 14560, 14833, 15974, 16562, 16952, 18256, 18928, 20384, 21190, 22820, 23660, 25480, 26080, 27040, 27547, 29666, 31948, 33124, 33904, 36512, 37856, 39935, 41405, 42380, 45640, 47320, 50960, 55094, 59332, 63896, 66248, 67808, 74165, 79870, 82810, 84760, 91280, 94640, 101920, 103831, 110188, 118664, 127792, 132496, 137735, 148330, 159740, 165620, 169520, 182560, 189280, 192829, 207662, 220376, 237328, 255584, 264992, 275470, 296660, 319480, 331240, 339040, 385658, 415324, 440752, 474656, 519155, 550940, 593320, 638960, 662480, 771316, 830648, 881504, 964145, 1038310, 1101880, 1186640, 1277920, 1324960, 1349803, 1542632, 1661296, 1928290, 2076620, 2203760, 2373280, 2699606, 3085264, 3322592, 3856580, 4153240, 4407520, 5399212, 6170528, 6749015, 7713160, 8306480, 10798424, 13498030, 15426320, 16612960, 21596848, 26996060, 30852640, 43193696, 53992120, 107984240, 215968480]

約数ペア:

[(1, 215968480), (2, 107984240), (4, 53992120), (5, 43193696), (7, 30852640), (8, 26996060), (10, 21596848), (13, 16612960), (14, 15426320), (16, 13498030), (20, 10798424), (26, 8306480), (28, 7713160), (32, 6749015), (35, 6170528), (40, 5399212), (49, 4407520), (52, 4153240), (56, 3856580), (65, 3322592), (70, 3085264), (80, 2699606), (91, 2373280), (98, 2203760), (104, 2076620), (112, 1928290), (130, 1661296), (140, 1542632), (160, 1349803), (163, 1324960), (169, 1277920), (182, 1186640), (196, 1101880), (208, 1038310), (224, 964145), (245, 881504), (260, 830648), (280, 771316), (326, 662480), (338, 638960), (364, 593320), (392, 550940), (416, 519155), (455, 474656), (490, 440752), (520, 415324), (560, 385658), (637, 339040), (652, 331240), (676, 319480), (728, 296660), (784, 275470), (815, 264992), (845, 255584), (910, 237328), (980, 220376), (1040, 207662), (1120, 192829), (1141, 189280), (1183, 182560), (1274, 169520), (1304, 165620), (1352, 159740), (1456, 148330), (1568, 137735), (1630, 132496), (1690, 127792), (1820, 118664), (1960, 110188), (2080, 103831), (2119, 101920), (2282, 94640), (2366, 91280), (2548, 84760), (2608, 82810), (2704, 79870), (2912, 74165), (3185, 67808), (3260, 66248), (3380, 63896), (3640, 59332), (3920, 55094), (4238, 50960), (4564, 47320), (4732, 45640), (5096, 42380), (5216, 41405), (5408, 39935), (5705, 37856), (5915, 36512), (6370, 33904), (6520, 33124), (6760, 31948), (7280, 29666), (7840, 27547), (7987, 27040), (8281, 26080), (8476, 25480), (9128, 23660), (9464, 22820), (10192, 21190), (10595, 20384), (11410, 18928), (11830, 18256), (12740, 16952), (13040, 16562), (13520, 15974), (14560, 14833)]