205160480

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:383

約数の個数: 192

約数和(自身を含む): 603832320

約数和(自身を除く): 398671840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 31, 32, 35, 38, 40, 56, 62, 70, 76, 80, 95, 112, 124, 133, 140, 152, 155, 160, 190, 217, 224, 248, 266, 280, 304, 310, 311, 380, 434, 496, 532, 560, 589, 608, 620, 622, 665, 760, 868, 992, 1064, 1085, 1120, 1178, 1240, 1244, 1330, 1520, 1555, 1736, 2128, 2170, 2177, 2356, 2480, 2488, 2660, 2945, 3040, 3110, 3472, 4123, 4256, 4340, 4354, 4712, 4960, 4976, 5320, 5890, 5909, 6220, 6944, 8246, 8680, 8708, 9424, 9641, 9952, 10640, 10885, 11780, 11818, 12440, 16492, 17360, 17416, 18848, 19282, 20615, 21280, 21770, 23560, 23636, 24880, 29545, 32984, 34720, 34832, 38564, 41230, 41363, 43540, 47120, 47272, 48205, 49760, 59090, 65968, 67487, 69664, 77128, 82460, 82726, 87080, 94240, 94544, 96410, 118180, 131936, 134974, 154256, 164920, 165452, 174160, 183179, 189088, 192820, 206815, 236360, 269948, 308512, 329840, 330904, 337435, 348320, 366358, 385640, 413630, 472720, 539896, 659680, 661808, 674870, 732716, 771280, 827260, 915895, 945440, 1079792, 1282253, 1323616, 1349740, 1465432, 1542560, 1654520, 1831790, 2159584, 2564506, 2699480, 2930864, 3309040, 3663580, 5129012, 5398960, 5861728, 6411265, 6618080, 7327160, 10258024, 10797920, 12822530, 14654320, 20516048, 25645060, 29308640, 41032096, 51290120, 102580240, 205160480]

約数ペア:

[(1, 205160480), (2, 102580240), (4, 51290120), (5, 41032096), (7, 29308640), (8, 25645060), (10, 20516048), (14, 14654320), (16, 12822530), (19, 10797920), (20, 10258024), (28, 7327160), (31, 6618080), (32, 6411265), (35, 5861728), (38, 5398960), (40, 5129012), (56, 3663580), (62, 3309040), (70, 2930864), (76, 2699480), (80, 2564506), (95, 2159584), (112, 1831790), (124, 1654520), (133, 1542560), (140, 1465432), (152, 1349740), (155, 1323616), (160, 1282253), (190, 1079792), (217, 945440), (224, 915895), (248, 827260), (266, 771280), (280, 732716), (304, 674870), (310, 661808), (311, 659680), (380, 539896), (434, 472720), (496, 413630), (532, 385640), (560, 366358), (589, 348320), (608, 337435), (620, 330904), (622, 329840), (665, 308512), (760, 269948), (868, 236360), (992, 206815), (1064, 192820), (1085, 189088), (1120, 183179), (1178, 174160), (1240, 165452), (1244, 164920), (1330, 154256), (1520, 134974), (1555, 131936), (1736, 118180), (2128, 96410), (2170, 94544), (2177, 94240), (2356, 87080), (2480, 82726), (2488, 82460), (2660, 77128), (2945, 69664), (3040, 67487), (3110, 65968), (3472, 59090), (4123, 49760), (4256, 48205), (4340, 47272), (4354, 47120), (4712, 43540), (4960, 41363), (4976, 41230), (5320, 38564), (5890, 34832), (5909, 34720), (6220, 32984), (6944, 29545), (8246, 24880), (8680, 23636), (8708, 23560), (9424, 21770), (9641, 21280), (9952, 20615), (10640, 19282), (10885, 18848), (11780, 17416), (11818, 17360), (12440, 16492)]