15120378

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1$

素因数の和:229

約数の個数: 128

約数和(自身を含む): 44029440

約数和(自身を除く): 28909062

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 17, 18, 21, 26, 27, 34, 39, 42, 51, 54, 63, 78, 91, 102, 117, 119, 126, 153, 181, 182, 189, 221, 234, 238, 273, 306, 351, 357, 362, 378, 442, 459, 543, 546, 663, 702, 714, 819, 918, 1071, 1086, 1267, 1326, 1547, 1629, 1638, 1989, 2142, 2353, 2457, 2534, 3077, 3094, 3213, 3258, 3801, 3978, 4641, 4706, 4887, 4914, 5967, 6154, 6426, 7059, 7602, 9231, 9282, 9774, 11403, 11934, 13923, 14118, 16471, 18462, 21177, 21539, 22806, 27693, 27846, 32942, 34209, 40001, 41769, 42354, 43078, 49413, 55386, 63531, 64617, 68418, 80002, 83079, 83538, 98826, 120003, 127062, 129234, 148239, 166158, 193851, 240006, 280007, 296478, 360009, 387702, 444717, 560014, 581553, 720018, 840021, 889434, 1080027, 1163106, 1680042, 2160054, 2520063, 5040126, 7560189, 15120378]

約数ペア:

[(1, 15120378), (2, 7560189), (3, 5040126), (6, 2520063), (7, 2160054), (9, 1680042), (13, 1163106), (14, 1080027), (17, 889434), (18, 840021), (21, 720018), (26, 581553), (27, 560014), (34, 444717), (39, 387702), (42, 360009), (51, 296478), (54, 280007), (63, 240006), (78, 193851), (91, 166158), (102, 148239), (117, 129234), (119, 127062), (126, 120003), (153, 98826), (181, 83538), (182, 83079), (189, 80002), (221, 68418), (234, 64617), (238, 63531), (273, 55386), (306, 49413), (351, 43078), (357, 42354), (362, 41769), (378, 40001), (442, 34209), (459, 32942), (543, 27846), (546, 27693), (663, 22806), (702, 21539), (714, 21177), (819, 18462), (918, 16471), (1071, 14118), (1086, 13923), (1267, 11934), (1326, 11403), (1547, 9774), (1629, 9282), (1638, 9231), (1989, 7602), (2142, 7059), (2353, 6426), (2457, 6154), (2534, 5967), (3077, 4914), (3094, 4887), (3213, 4706), (3258, 4641), (3801, 3978)]