216156640

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{349}}^1$

素因数の和:457

約数の個数: 144

約数和(自身を含む): 603288000

約数和(自身を除く): 387131360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 79, 80, 98, 112, 140, 158, 160, 196, 224, 245, 280, 316, 349, 392, 395, 490, 553, 560, 632, 698, 784, 790, 980, 1106, 1120, 1264, 1396, 1568, 1580, 1745, 1960, 2212, 2443, 2528, 2765, 2792, 3160, 3490, 3871, 3920, 4424, 4886, 5530, 5584, 6320, 6980, 7742, 7840, 8848, 9772, 11060, 11168, 12215, 12640, 13960, 15484, 17101, 17696, 19355, 19544, 22120, 24430, 27571, 27920, 30968, 34202, 38710, 39088, 44240, 48860, 55142, 55840, 61936, 68404, 77420, 78176, 85505, 88480, 97720, 110284, 123872, 136808, 137855, 154840, 171010, 192997, 195440, 220568, 273616, 275710, 309680, 342020, 385994, 390880, 441136, 547232, 551420, 619360, 684040, 771988, 882272, 964985, 1102840, 1350979, 1368080, 1543976, 1929970, 2205680, 2701958, 2736160, 3087952, 3859940, 4411360, 5403916, 6175904, 6754895, 7719880, 10807832, 13509790, 15439760, 21615664, 27019580, 30879520, 43231328, 54039160, 108078320, 216156640]

約数ペア:

[(1, 216156640), (2, 108078320), (4, 54039160), (5, 43231328), (7, 30879520), (8, 27019580), (10, 21615664), (14, 15439760), (16, 13509790), (20, 10807832), (28, 7719880), (32, 6754895), (35, 6175904), (40, 5403916), (49, 4411360), (56, 3859940), (70, 3087952), (79, 2736160), (80, 2701958), (98, 2205680), (112, 1929970), (140, 1543976), (158, 1368080), (160, 1350979), (196, 1102840), (224, 964985), (245, 882272), (280, 771988), (316, 684040), (349, 619360), (392, 551420), (395, 547232), (490, 441136), (553, 390880), (560, 385994), (632, 342020), (698, 309680), (784, 275710), (790, 273616), (980, 220568), (1106, 195440), (1120, 192997), (1264, 171010), (1396, 154840), (1568, 137855), (1580, 136808), (1745, 123872), (1960, 110284), (2212, 97720), (2443, 88480), (2528, 85505), (2765, 78176), (2792, 77420), (3160, 68404), (3490, 61936), (3871, 55840), (3920, 55142), (4424, 48860), (4886, 44240), (5530, 39088), (5584, 38710), (6320, 34202), (6980, 30968), (7742, 27920), (7840, 27571), (8848, 24430), (9772, 22120), (11060, 19544), (11168, 19355), (12215, 17696), (12640, 17101), (13960, 15484)]