215907720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{503}}^1$

素因数の和:604

約数の個数: 192

約数和(自身を含む): 765313920

約数和(自身を除く): 549406200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 73, 84, 98, 105, 120, 140, 146, 147, 168, 196, 210, 219, 245, 280, 292, 294, 365, 392, 420, 438, 490, 503, 511, 584, 588, 730, 735, 840, 876, 980, 1006, 1022, 1095, 1176, 1460, 1470, 1509, 1533, 1752, 1960, 2012, 2044, 2190, 2515, 2555, 2920, 2940, 3018, 3066, 3521, 3577, 4024, 4088, 4380, 5030, 5110, 5880, 6036, 6132, 7042, 7154, 7545, 7665, 8760, 10060, 10220, 10563, 10731, 12072, 12264, 14084, 14308, 15090, 15330, 17605, 17885, 20120, 20440, 21126, 21462, 24647, 28168, 28616, 30180, 30660, 35210, 35770, 36719, 42252, 42924, 49294, 52815, 53655, 60360, 61320, 70420, 71540, 73438, 73941, 84504, 85848, 98588, 105630, 107310, 110157, 123235, 140840, 143080, 146876, 147882, 183595, 197176, 211260, 214620, 220314, 246470, 257033, 293752, 295764, 367190, 369705, 422520, 429240, 440628, 492940, 514066, 550785, 591528, 734380, 739410, 771099, 881256, 985880, 1028132, 1101570, 1285165, 1468760, 1478820, 1542198, 1799231, 2056264, 2203140, 2570330, 2957640, 3084396, 3598462, 3855495, 4406280, 5140660, 5397693, 6168792, 7196924, 7710990, 8996155, 10281320, 10795386, 14393848, 15421980, 17992310, 21590772, 26988465, 30843960, 35984620, 43181544, 53976930, 71969240, 107953860, 215907720]

約数ペア:

[(1, 215907720), (2, 107953860), (3, 71969240), (4, 53976930), (5, 43181544), (6, 35984620), (7, 30843960), (8, 26988465), (10, 21590772), (12, 17992310), (14, 15421980), (15, 14393848), (20, 10795386), (21, 10281320), (24, 8996155), (28, 7710990), (30, 7196924), (35, 6168792), (40, 5397693), (42, 5140660), (49, 4406280), (56, 3855495), (60, 3598462), (70, 3084396), (73, 2957640), (84, 2570330), (98, 2203140), (105, 2056264), (120, 1799231), (140, 1542198), (146, 1478820), (147, 1468760), (168, 1285165), (196, 1101570), (210, 1028132), (219, 985880), (245, 881256), (280, 771099), (292, 739410), (294, 734380), (365, 591528), (392, 550785), (420, 514066), (438, 492940), (490, 440628), (503, 429240), (511, 422520), (584, 369705), (588, 367190), (730, 295764), (735, 293752), (840, 257033), (876, 246470), (980, 220314), (1006, 214620), (1022, 211260), (1095, 197176), (1176, 183595), (1460, 147882), (1470, 146876), (1509, 143080), (1533, 140840), (1752, 123235), (1960, 110157), (2012, 107310), (2044, 105630), (2190, 98588), (2515, 85848), (2555, 84504), (2920, 73941), (2940, 73438), (3018, 71540), (3066, 70420), (3521, 61320), (3577, 60360), (4024, 53655), (4088, 52815), (4380, 49294), (5030, 42924), (5110, 42252), (5880, 36719), (6036, 35770), (6132, 35210), (7042, 30660), (7154, 30180), (7545, 28616), (7665, 28168), (8760, 24647), (10060, 21462), (10220, 21126), (10563, 20440), (10731, 20120), (12072, 17885), (12264, 17605), (14084, 15330), (14308, 15090)]