30996980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1$

素因数の和:349

約数の個数: 96

約数和(自身を含む): 80424960

約数和(自身を除く): 49427980

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 43, 70, 76, 86, 95, 133, 140, 172, 190, 215, 266, 271, 301, 380, 430, 532, 542, 602, 665, 817, 860, 1084, 1204, 1330, 1355, 1505, 1634, 1897, 2660, 2710, 3010, 3268, 3794, 4085, 5149, 5420, 5719, 6020, 7588, 8170, 9485, 10298, 11438, 11653, 16340, 18970, 20596, 22876, 23306, 25745, 28595, 36043, 37940, 46612, 51490, 57190, 58265, 72086, 81571, 102980, 114380, 116530, 144172, 163142, 180215, 221407, 233060, 326284, 360430, 407855, 442814, 720860, 815710, 885628, 1107035, 1549849, 1631420, 2214070, 3099698, 4428140, 6199396, 7749245, 15498490, 30996980]

約数ペア:

[(1, 30996980), (2, 15498490), (4, 7749245), (5, 6199396), (7, 4428140), (10, 3099698), (14, 2214070), (19, 1631420), (20, 1549849), (28, 1107035), (35, 885628), (38, 815710), (43, 720860), (70, 442814), (76, 407855), (86, 360430), (95, 326284), (133, 233060), (140, 221407), (172, 180215), (190, 163142), (215, 144172), (266, 116530), (271, 114380), (301, 102980), (380, 81571), (430, 72086), (532, 58265), (542, 57190), (602, 51490), (665, 46612), (817, 37940), (860, 36043), (1084, 28595), (1204, 25745), (1330, 23306), (1355, 22876), (1505, 20596), (1634, 18970), (1897, 16340), (2660, 11653), (2710, 11438), (3010, 10298), (3268, 9485), (3794, 8170), (4085, 7588), (5149, 6020), (5420, 5719)]